Overview

The IQ America LM1811 Motion Sensor Security Floodlight is a hardwired, no-frills security light from a brand that has long focused on home safety products. What separates it from many competitors at this price is its dual-mount flexibility — it installs on either an eave or a wall, so your house layout doesn't dictate your options. You get 1,100 lumens of daylight-white coverage and a full 180-degree detection sweep. There's also an exit detection feature that lights up the zone directly below the fixture the moment you step out, which is a genuinely handy real-world convenience. This isn't a smart-home device with scheduling or an app; it's a reliable, always-on security light that does exactly what it promises.

Features & Benefits

At 12.6 watts producing 1,100 lumens, this motion floodlight punches well above its weight in brightness efficiency compared to older halogen setups. The rotatable PIR sensor sweeps 180 degrees and reaches up to 50 feet, and because it adjusts independently of the two light heads, you can aim detection and illumination in slightly different directions — handy for covering a driveway entrance while lighting a side path. The time-on dial runs from 5 seconds to 20 minutes, covering both quick exits and longer security holds. The exit detection zone beneath the fixture is a feature rarely found at this price tier. The removable acrylic lens softens output enough to avoid blinding neighbors, and the IPX44 weatherproof rating handles rain and dust reliably — though it isn't rated for submersion.

Best For

The LM1811 is a natural fit for homeowners who want a dependable, hardwired security light without the overhead of app setup, cloud accounts, or monthly fees. It works well over driveways, side-yard gates, and garage entries — anywhere wide-angle coverage at night matters most. If you're retiring an old halogen fixture, the energy savings are a noticeable side benefit. The dual mounting design is genuinely practical if your only available surface is an overhang rather than a flat wall, or vice versa. Those who want color-tuning, motion-triggered alerts on their phone, or scheduling will need to look elsewhere. This light is built for simple, consistent performance — no more, no less.

User Feedback

Across several hundred reviews, this security light holds a 4.2-star average — solid, with a few recurring patterns worth knowing. Buyers consistently highlight the brightness on first use and how accurately the sensor triggers without frequent false alarms. A notable number of reviewers mentioned discovering the exit detection feature only after installation, and were caught off guard by how useful it turned out to be. On the critical side, cold-weather sensor adjustment comes up repeatedly — PIR sensors in general can be less responsive in freezing temperatures, so that's worth anticipating. Buyers switching from Heath Zenith or Defiant fixtures generally found the build quality comparable. Long-term durability feedback skews positive, with many users reporting consistent operation well past the one-year mark.

Pros

  • Produces a genuine 1,100 lumens from just 12.6 watts — noticeably bright without a hefty energy bill.
  • The 180-degree PIR sensor rotates independently of the light heads, so you can fine-tune detection and illumination separately.
  • Exit detection lights up the zone directly below the fixture the moment you step outside — a rare and practical touch at this price.
  • Installs on either an eave or a wall, giving you real flexibility based on your home's layout.
  • Time-on duration adjusts from 5 seconds to 20 minutes, covering everything from a quick exit check to extended security coverage.
  • The removable glare-free lens keeps light focused where it belongs and avoids spilling brightness onto neighboring properties.
  • Auto test mode makes initial sensor calibration straightforward rather than a trial-and-error process.
  • Available in white and bronze finishes so it blends into most exterior color schemes.
  • Long-term durability feedback from owners is consistently positive, with many units performing reliably well past the one-year mark.
  • At this price point, the overall build quality is competitive with comparable fixtures from established brands.

Cons

  • Hardwired installation requires working with a 120V junction box — not a job for anyone uncomfortable with basic electrical work.
  • PIR sensor sensitivity can drift in freezing temperatures and may need recalibration during cold-weather months.
  • No smart-home integration, app control, or phone notifications of any kind.
  • IPX44 weatherproofing is adequate for typical rain but not suitable for extremely exposed or high-moisture environments.
  • No high-low brightness setting — output is fixed at a single level with no dimming option.
  • Maximum detection range of 50 feet may fall short for larger properties or long driveway approaches.
  • Coverage is limited to a 180-degree arc; covering wider angles requires a second fixture.
  • No built-in dusk-to-dawn mode for continuous low-level lighting outside of motion events.
  • The plastic housing, while functional, won't satisfy buyers who prioritize a premium or heavy-duty exterior finish.

Ratings

The scores below were generated by AI after analyzing verified buyer reviews worldwide for the IQ America LM1811 Motion Sensor Security Floodlight, with spam, incentivized feedback, and bot activity actively filtered out to reflect genuine owner experiences. This motion floodlight earns strong marks in several practical categories, though a few real pain points surfaced consistently enough to pull certain scores down. Both the highlights and the frustrations are represented transparently here.

Brightness & Output
88%
Most buyers are genuinely impressed the first time this security light switches on — 1,100 lumens at 5000K produces a crisp, wide wash of daylight-white light that covers a standard driveway or side yard effectively. Owners replacing old halogen fixtures consistently describe the output as comparable in coverage but far more focused and less yellow.
A small number of users felt the output didn't quite match expectations for very large or open properties, where 1,100 lumens spreads thinner than hoped. There's also no high-low brightness setting, so you're locked into a single output level regardless of the situation.
Motion Detection Accuracy
83%
The 180-degree PIR sensor at a 50-foot range performs reliably for most driveway and yard scenarios, triggering quickly when someone enters the detection zone. Buyers frequently note the sensor fires accurately without an excessive number of false alarms triggered by tree branches or passing headlights.
Some users report that fine-tuning the sensitivity dial takes several attempts to get right, particularly if the fixture faces a road or a neighbor's yard. The sensor can also under-respond in very cold weather, which is a known limitation of passive infrared technology rather than a defect specific to this unit.
Exit Detection
91%
This is one of the most genuinely useful features of the LM1811 at its price tier — a downward-facing detection zone lights up the area immediately below the fixture the moment you step out, before you've even walked into the main arc. Owners who use a side door or attached garage at night consistently call this feature out as a meaningful convenience they didn't expect.
The only real gripe here is that the feature isn't prominently explained in the packaging, so a surprising number of buyers didn't discover it until weeks after installation. A clearer setup guide would help users take full advantage of it from day one.
Ease of Installation
79%
21%
Buyers with basic electrical experience consistently describe the wiring process as clean and well-thought-out, with clear wire routing and a mounting bracket that fits standard junction boxes without modification. The dual-mount design means you can adapt to your actual install surface without buying extra hardware.
This is a hardwired fixture, and a subset of reviewers underestimated that going in — it is not a plug-and-play install, and anyone uncomfortable working with 120V AC wiring will need to hire an electrician. The instructions have been flagged by a few users as sparse on detail for first-time installers.
Sensor Adjustability
86%
The ability to rotate the PIR sensor head independently from the two light heads is a practical advantage that experienced buyers appreciate — you can aim detection at a pathway while keeping the light pointed toward a parking area, which isn't possible on fixtures with a fixed combined head.
The pan and tilt range, while useful, has a learning curve; getting the sensor aimed correctly in low-light conditions during initial setup is somewhat fiddly. A few users wished the adjustment knobs had firmer detents so the sensor held its position more confidently over time.
Weatherproofing
74%
26%
For the vast majority of outdoor locations, the IPX44 rating performs adequately across seasons — rain, dust, and everyday moisture haven't been significant issues for most long-term owners in typical climates. The plastic housing shows minimal degradation from UV exposure over the first year or two of use.
IPX44 is splash resistance, not full waterproofing, and buyers in coastal or high-rainfall climates have reported early moisture ingress around the lens seal. It isn't rated for submersion or sustained water jets, so very exposed mounting positions in harsh climates should be approached with realistic expectations.
Build Quality
71%
29%
For a fixture in this price range, the overall construction is functional and sufficiently sturdy for standard residential use. The mounting hardware is solid, and the lens and sensor housing feel well-fitted rather than loose or rattling.
The plastic housing is the most common point of criticism in long-term reviews — it doesn't feel premium, and a few buyers noted that the finish on the bronze version showed minor discoloration after extended sun exposure. Buyers accustomed to metal-bodied fixtures will notice the difference immediately.
Value for Money
89%
Relative to what comparable fixtures from Heath Zenith or Defiant offer at the same price, the LM1811 delivers more flexibility — dual mounting, independent sensor adjustment, and exit detection are features you'd typically pay more to get elsewhere. Most buyers feel the price-to-performance ratio is genuinely strong.
The value equation depends heavily on whether the feature set matches your needs; if you only want a basic on-off motion light and don't need eave mounting or exit detection, there are simpler and slightly cheaper options that do less but do it just as well. The plastic housing also makes the pricing feel slightly optimistic to buyers who prioritize durability over features.
Energy Efficiency
87%
Drawing 12.6 watts to produce 1,100 lumens is a legitimately efficient output, and homeowners who've tracked electricity costs after replacing a 150-watt halogen floodlight have noted visible reductions in their utility bills over several months. The LED array requires no bulb replacements, removing a recurring maintenance cost entirely.
There is no standby power-saving mode or scheduling feature to further limit energy use — the fixture is either fully on when triggered or fully off, with no middle state. Buyers who wanted dusk-to-dawn continuous low-level lighting as a secondary mode will need to look at the DT-2002 model from the same brand.
Detection Range
76%
24%
A 50-foot detection radius covers standard residential use cases — single-car driveways, side yard gates, and garage entries — reliably and without excessive dead zones near the fixture. The rotatable sensor means that range is usable in the direction you actually need rather than fixed forward.
For longer driveways, rural properties, or anyone wanting to detect motion at the property line, 50 feet falls noticeably short. Competing fixtures in a higher price tier push detection to 70 feet or more, which becomes a meaningful gap if perimeter coverage is the primary goal.
Glare Control
82%
18%
The removable acrylic lens does a genuine job of softening output — neighbors and buyers in denser suburban settings consistently mention that the light doesn't spill aggressively across property lines or directly into adjacent windows the way bare floodlights often do. The diffusion is subtle but purposeful.
Removing and reinstalling the lens for cleaning is slightly awkward, and a small number of users reported that the lens clips loosened after several removal cycles. The glare reduction also comes with a minor trade-off in raw directional intensity for buyers who want the hardest throw possible.
Mounting Flexibility
91%
The dual eave-and-wall compatibility is a practical design decision that removes one of the most common frustrations with motion floodlight installation — being forced to use a surface that isn't ideal because the fixture only supports one mount type. All hardware for both mounting options ships in the box.
The mounting bracket is sized for standard North American junction boxes, and a small number of users with older or non-standard electrical boxes had to source adapter hardware separately. There's also no swivel base for adjusting the entire fixture position after installation without unscrewing and remounting.
Setup & Calibration
77%
23%
The auto test mode is genuinely useful during initial setup — it lets the sensor respond to movement in real time so you can adjust the detection arc without repeatedly walking in and out of range and waiting. Most buyers with prior experience mounting security lights had the unit calibrated and operational within 30 to 45 minutes.
The written instructions included in the box are brief and lack diagrams for the sensor calibration steps, which frustrated a portion of first-time installers. Setting the time-on and sensitivity dials to the right balance also takes a few real-world test cycles before it feels dialed in.
Long-Term Durability
78%
22%
Owner feedback from buyers who have had the LM1811 installed for more than a year is broadly positive — the LED array shows no significant lumen degradation, and the sensor continues to trigger reliably with the same calibration as initial setup. For a hardwired fixture left permanently outdoors, that consistency is meaningful.
A subset of longer-term owners have noted that the plastic housing begins to show minor surface yellowing and stress marks near mounting points after two or more years of continuous outdoor exposure. The bronze finish variant appears to age slightly better cosmetically than the white version in direct sun.

Suitable for:

The IQ America LM1811 Motion Sensor Security Floodlight is a strong match for homeowners who want a dependable, always-on outdoor light that requires zero ongoing maintenance, no subscription, and no app to manage. If you're covering a driveway, side gate, or garage entry where a wide detection sweep matters, this light handles that job reliably night after night. The dual-mount design makes it practical for houses where the only logical install point is an eave overhang rather than a flat wall — that flexibility alone sets it apart from many fixtures at this price. It's also well-suited to anyone replacing an aging halogen floodlight, since the energy savings are real and meaningful over time. If your priority is straightforward hardwired security lighting without the complexity of a smart-home ecosystem, this motion floodlight is built exactly for that purpose.

Not suitable for:

The IQ America LM1811 Motion Sensor Security Floodlight is not the right choice for buyers who expect phone alerts, scheduled lighting, or integration with a smart-home hub — it has none of those capabilities. Because it is hardwired to a standard 120V AC junction box, it is not a plug-and-play install; you'll need basic electrical experience or a licensed electrician, so factor that in if DIY wiring isn't something you're comfortable with. The IPX44 rating means it handles rain and splashing reliably, but it is not sealed against heavy water exposure or submersion, so extremely exposed locations with persistent wind-driven rain may push its limits over time. Buyers who need very long-range detection beyond 50 feet, or who want a single fixture to cover a full 240-degree arc, will find the coverage geometry limiting. If you're looking for a light with high-low brightness modes or a built-in dusk-to-dawn override, this security light doesn't offer those controls either.

Specifications

  • Brightness: The fixture outputs 1,100 lumens of daylight-white light, equivalent to a 75-watt incandescent bulb.
  • Wattage: It draws 12.6 watts from a standard 120V AC circuit, making it significantly more efficient than the halogen floodlights it commonly replaces.
  • Color Temperature: Light is emitted at 5000K, producing a cool daylight tone that improves visibility and contrast in outdoor areas at night.
  • CRI: The color rendering index is 87, meaning objects and surfaces lit by this fixture appear close to their true colors.
  • Detection Angle: The PIR motion sensor covers a 180-degree horizontal arc with a maximum detection range of up to 50 feet.
  • Sensor Adjustment: The sensor head rotates with 50° of pan and 40° of tilt, and adjusts independently from the two light heads.
  • Light Head Tilt: Each LED light head tilts between 0° and 70°, allowing illumination to be aimed precisely at the intended coverage area.
  • Time-On Range: The duration the light stays on after a motion trigger is adjustable from as short as 5 seconds to as long as 20 minutes.
  • Weatherproofing: The unit carries an IPX44 rating, meaning it is protected against water splashing from any direction but is not rated for submersion or sustained water jets.
  • Mounting Options: Compatible with both eave/soffit and flat wall mounting, with all necessary hardware included in the box.
  • Dimensions: The fixture measures 6″ in length, 6″ in width, and 8″ in height.
  • Weight: The unit weighs 1.21 pounds, making single-person installation on a standard junction box straightforward.
  • Power Source: Hardwired to a 120V AC junction box; there is no battery option and no plug-in adapter included.
  • Lens: The acrylic lens is semi-transparent, removable, and designed to diffuse output and reduce glare toward neighboring properties.
  • Light Sources: The fixture contains two independent LED light heads, both fixed and non-replaceable as individual bulbs.
  • Exit Detection: A dedicated downward-facing detection zone activates the light immediately when someone passes directly beneath the fixture, without requiring them to walk into the main detection arc.
  • Auto Test Mode: An integrated test mode allows the sensor to trigger in real time during setup, making calibration and aiming significantly faster.
  • Finish Options: Available in white (model LM1811WH) and bronze (model LM1811BZ) to suit different exterior color schemes.
  • Included Components: The package includes the light fixture, acrylic lens, and all mounting hardware required for installation.
  • Voltage: Operates exclusively on 120V AC, standard for North American residential wiring.

Related Reviews

eufy Security Motion Sensor
eufy Security Motion Sensor
85%
90%
Detection Accuracy
95%
Ease of Installation
93%
Battery Life
87%
Sensitivity Adjustment
89%
App & Notification System
More
Enegg Wireless Driveway Motion Sensor Alarm
Enegg Wireless Driveway Motion Sensor Alarm
69%
93%
Ease of Setup
81%
Wireless Range
74%
Detection Reliability
63%
Sound Quality
79%
Volume Output
More
Shaogax Wireless Motion Sensor Driveway Alarm System
Shaogax Wireless Motion Sensor Driveway Alarm System
71%
91%
Ease of Setup
83%
Wireless Range
88%
Alert Customization
58%
False Alert Rate
61%
Build Quality
More
Actpe Wireless Motion Sensor Driveway Chime
Actpe Wireless Motion Sensor Driveway Chime
69%
93%
Ease of Setup
88%
Value for Money
76%
Detection Reliability
81%
Wireless Range
61%
Battery Life
More
Fibaro Motion Sensor
Fibaro Motion Sensor
86%
91%
Motion Detection Accuracy
85%
Battery Life
88%
HomeKit Integration
93%
Ease of Installation
89%
Design and Size
More
Shelly BLU Motion Bluetooth Motion Sensor
Shelly BLU Motion Bluetooth Motion Sensor
74%
78%
Ease of Setup
81%
Motion Detection Accuracy
67%
Indoor Range
84%
Battery Life
76%
Lux Sensor Usefulness
More
Aqara Motion Sensor P1
Aqara Motion Sensor P1
87%
91%
Detection Accuracy
95%
Battery Life
88%
Ease of Setup
85%
App Integration
89%
Zigbee Connectivity
More
GREENCYCLE M-SF20R Wireless Driveway Alarm
GREENCYCLE M-SF20R Wireless Driveway Alarm
78%
91%
Ease of Setup
78%
Detection Reliability
62%
Wireless Range
88%
Chime & Alert Volume
61%
Battery Life
More
eufy Security Floodlight Cam S330 Outdoor Camera
eufy Security Floodlight Cam S330 Outdoor Camera
76%
91%
Pan & Tilt Coverage
78%
AI Subject Tracking
88%
Floodlight Brightness & Quality
84%
Night Vision & Low-Light Recording
82%
Video Resolution & Clarity
More
Onvis SMS2 Smart Motion Sensor
Onvis SMS2 Smart Motion Sensor
78%
83%
Motion Detection Accuracy
88%
Response Speed
79%
HomeKit Integration
81%
Temperature Accuracy
78%
Humidity Monitoring
More

FAQ

It needs to be hardwired into a 120V AC junction box — there is no plug or adapter option. If you're comfortable with basic electrical work, the install is fairly routine, but if not, it's worth having a licensed electrician handle the wiring.

The IQ America LM1811 Motion Sensor Security Floodlight includes a separate downward-facing detection zone directly beneath the fixture. When you walk out through a garage door or side entrance, the light activates immediately rather than waiting for you to step into the main detection arc. It's a small feature that makes a real difference in day-to-day convenience.

Yes, and this is one of the more useful aspects of the design. The PIR sensor head adjusts independently of the two light heads, so you can aim detection toward an approaching path while keeping the light pointed at a different area like a parking pad.

It's roughly equivalent to a 75-watt incandescent bulb, which is plenty to light up a standard driveway or side yard. The 5000K daylight color tone also makes the light feel crisp and visibility-focused rather than warm and ambient.

The IPX44 rating means it handles rain splashing from any direction reliably, which covers the vast majority of typical outdoor exposure. It is not rated for submersion or sustained water jets, so very exposed locations with extreme wind-driven rain could push its limits over time. Cold temperatures generally don't affect the light itself, but the PIR sensor can become less sensitive in freezing conditions and may need minor recalibration.

There's an adjustment dial on the unit that lets you set how long the light stays on after a motion trigger, anywhere from 5 seconds to 20 minutes. For a side path you walk every night, a short duration saves energy; for a long driveway or security-focused use, a longer hold is more practical.

No — this security light has no wireless connectivity, no app, and no smart-home integration of any kind. It functions entirely as a standalone hardwired fixture. If smart-home control is important to you, you'd need to look at a different product category.

Both options are fully supported and hardware for both mounting types is included in the box. The dual-mount design is one of the practical advantages of this fixture, since many homes have limited flat wall space near entry points.

It's genuinely useful during initial setup. Instead of walking in and out of the detection zone repeatedly to check if the sensor is aimed correctly, you put the unit in test mode and it responds to motion in real time, which makes positioning the sensor much faster.

Buyers who have used all three brands generally place them in the same tier for build quality and detection reliability. The LM1811 stands out for its independent sensor adjustment and exit detection feature, which neither Heath Zenith nor Defiant commonly offer at a comparable price. Sensitivity fine-tuning and long-term durability are similar across all three.