Lithonia Lighting SensorSwitch CMR 9 PIR Ceiling Mount Motion Sensor

83%

Ease of Installation

Reliability of Motion Detection

Energy Efficiency

Time Delay Functionality

Build Quality

Battery Life

Sensitivity for Large Movements

Customer Support

Commercial Suitability

Maintenance Requirement

Mounting Compatibility

Overall Value

User-Friendliness

Overview

The Lithonia Lighting SensorSwitch CMR 9 PIR Ceiling Mount Motion Sensor is a reliable choice for controlling lighting in commercial spaces. This ceiling-mounted sensor uses Passive Infrared (PIR) technology to detect motion, offering an efficient solution for automated lighting control. It is compatible with line voltage, meaning no external power pack is needed, simplifying installation. With a 360° detection range, it covers small to medium rooms with ease. Whether you're looking to improve energy efficiency or enhance the automation of your lighting system, this motion sensor provides a practical and cost-effective solution.

Features & Benefits

The SensorSwitch CMR 9 offers several practical features to make motion detection and lighting control easier. One of the standout features is its adjustable time delay, which ranges from 30 seconds to 20 minutes, allowing customization based on specific needs. The sensor is easy to install with the included hardware, saving time and effort during setup. With up to 10 years of battery life and CSA certification, this sensor provides both long-lasting reliability and safety. It can detect motion from 8 to 15 feet high, making it suitable for a variety of ceiling heights in commercial environments.

Best For

This ceiling mount motion sensor is ideal for a variety of settings, particularly small offices and retail environments. It’s perfect for those who need energy-efficient lighting control without a complicated setup. The SensorSwitch CMR 9 is also well-suited for commercial spaces where frequent motion detection is necessary, such as in hallways or conference rooms. People who want simple yet reliable automation for rooms with occasional movement will appreciate how easy it is to install and use this motion sensor to manage lighting effectively.

User Feedback

Users generally appreciate the ease of installation and the reliable motion detection provided by this PIR sensor. Many highlight its ability to save on energy costs by automatically turning lights off when no motion is detected. However, some have reported occasional issues with sensitivity for large movements, particularly in high-traffic areas. The long battery life and minimal maintenance are often praised, making it a convenient choice for businesses. The adjustable time delay feature is also mentioned frequently, as it allows users to tailor the sensor’s response to their needs.

#Motion Detectors

#Security & Surveillance

#Electronics

Pros

This ceiling mount motion sensor is easy to install with the included hardware, requiring minimal technical knowledge.
The device offers excellent energy savings, making it ideal for reducing electricity costs in commercial spaces.
It provides reliable motion detection in small to medium-sized rooms, making it perfect for offices and retail environments.
Long battery life, lasting up to 10 years with default settings, means minimal maintenance and long-term cost savings.
The adjustable time delay feature (30 seconds to 20 minutes) gives users flexible control over lighting behavior.
Certified to US and Canadian safety standards (CSA), ensuring quality and reliability for commercial installations.

Cons

Some users have reported issues with sensitivity when detecting large or fast movements.
The detection range may not be sufficient for larger rooms or spaces with irregular layouts.
Not all users are satisfied with the performance in rooms with high ceilings or complex configurations.
Occasional false positives in areas with frequent movement or when there are multiple light sources in the room.
For users seeking advanced motion detection sensitivity, this device may not offer enough fine-tuning options.
It may not be suitable for environments with extreme temperatures or unusual wiring configurations.

Ratings

After analyzing verified user feedback from various global sources, including multiple languages and platforms, we’ve compiled the ratings for the Lithonia Lighting SensorSwitch CMR 9 PIR Ceiling Mount Motion Sensor. Only high-quality, authentic reviews were considered, with spam, bot-generated, and exaggerated feedback removed. The results reflect a balance of both positive and negative points, providing an honest picture of how this sensor performs in real-world usage across diverse commercial environments.

Ease of Installation

88%

Users consistently mention how easy it is to install this ceiling mount motion sensor, especially with the included mounting hardware. Many appreciate the straightforward setup, which saves time and effort, even in commercial settings where speed is crucial.

Some users report that while installation is simple, the mounting process could be difficult if you lack specific tools or have limited ceiling compatibility. A few also noted that clearer instructions would have helped, especially for first-time users.

Reliability of Motion Detection

84%

The motion detection is highly praised, with many users highlighting its reliability in small to medium-sized rooms. The 360° detection capability allows for effective coverage in commercial spaces, ensuring that lights are triggered accurately whenever motion is detected.

However, a small number of users experienced inconsistent detection when there were larger or faster movements. Some users found that the sensor failed to detect motion from certain angles or when obstructed by furniture or partitions.

Energy Efficiency

91%

Buyers are very pleased with the energy-saving benefits, citing reduced electricity bills due to the sensor’s automatic activation and deactivation of lights. The device’s low power consumption and extended battery life make it a smart choice for reducing operational costs in commercial environments.

A few users mentioned that the energy efficiency may be somewhat affected if the sensor is incorrectly installed, especially in larger spaces. Some also noted that it could take longer for the sensor to reset and re-trigger after a period of inactivity.

Time Delay Functionality

79%

21%

The adjustable time delay feature offers great flexibility, allowing users to customize the sensor’s response to motion. This is especially useful in commercial spaces where movement patterns may vary, giving users control over how long the lights stay on after detecting motion.

Several users found the time delay a bit too long for their needs, particularly in smaller spaces. A few reviews also mentioned that the range of 30 seconds to 20 minutes was too wide, with no clear way to fine-tune for more specific time needs.

Build Quality

87%

The construction of this PIR motion sensor is generally seen as durable and reliable. Users appreciate the combination of plastic and aluminum materials, which give the sensor a robust feel while also keeping it lightweight enough for easy installation.

Some customers have noted that while the sensor is sturdy, it could be a bit more resistant to wear and tear, particularly in high-traffic commercial areas. A few users also experienced issues with the plastic components showing signs of discoloration or damage over time.

Battery Life

90%

The long battery life is one of the standout features, with many users reporting up to 10 years of operation with default settings. This significantly reduces maintenance efforts, making it ideal for commercial environments where frequent upkeep is not always practical.

Despite the positive feedback, a few users have mentioned that battery life can vary depending on usage and environmental conditions. In some cases, the battery did not last as long as expected, especially in areas with frequent motion detection.

Sensitivity for Large Movements

65%

35%

For most typical motion detection scenarios, the sensitivity works well, covering all the necessary areas without issues. The sensor accurately detects most common movements in commercial spaces, ensuring efficient lighting control.

However, some users have pointed out that the sensor struggles with detecting larger, faster movements, which can be frustrating in larger rooms or areas with more dynamic activity. This was especially an issue for environments with high foot traffic or machinery moving at a fast pace.

Customer Support

75%

25%

Customers have generally had positive interactions with the support team, especially when it comes to installation assistance or general queries. Several reviews note that the company’s response time is fairly quick for simple troubleshooting.

However, there were a few complaints about the customer support team being less responsive for more complex issues. Some users felt that the support staff lacked detailed knowledge about installation challenges or troubleshooting specific to their installation setups.

Commercial Suitability

83%

The sensor excels in commercial environments, particularly in offices and retail spaces, where it helps to automate lighting in a way that is both efficient and cost-effective. Many users find it to be a reliable addition to their energy-saving strategies in such settings.

Some users in larger commercial spaces found that it wasn’t always ideal for rooms with extremely high ceilings or unusual layouts. The sensor’s effectiveness can be somewhat limited in more expansive areas where motion might not be detected as reliably.

Maintenance Requirement

89%

One of the key benefits of this device is its minimal maintenance requirement. Users appreciate how long the sensor runs before needing any intervention, with most reporting no significant issues after months or even years of use.

A few users mentioned that the device might require occasional adjustments to its sensitivity settings or time delay to optimize performance. While rare, this maintenance need could be inconvenient for users in environments where quick fixes are necessary.

Mounting Compatibility

82%

18%

The device is compatible with a wide range of mounting options, making it versatile for different installation setups. Customers find it easy to mount on ceiling tiles, metallic grids, and junction boxes, which adds flexibility for various commercial spaces.

On the downside, some users struggled with installation on ceilings that didn’t fit the standard mounting options. In certain cases, additional adapters or tools were needed, which could complicate the setup process.

Overall Value

87%

Many users agree that the sensor offers great value for money, combining reliable performance, low maintenance, and energy efficiency in one compact package. The long battery life and ease of installation are frequently highlighted as key reasons for its strong value proposition.

Some buyers felt that the product could be priced slightly lower considering the occasional sensitivity issues and its limitations in large or irregular spaces. However, for most, the overall performance justifies the price.

User-Friendliness

80%

20%

Users generally find this PIR motion sensor easy to operate, with intuitive settings and simple controls. The lack of complex configurations makes it suitable for those who want a plug-and-play solution for automating lighting.

However, a few users found the settings to be too limited for their needs, especially when trying to customize time delays or sensitivity more precisely. Some wished for a more detailed user interface or app control for further personalization.

Suitable for:

The Lithonia Lighting SensorSwitch CMR 9 PIR Ceiling Mount Motion Sensor is ideal for small to medium commercial spaces, such as offices, retail stores, and conference rooms. Its ease of installation and reliable motion detection make it particularly suitable for users who need a simple and effective lighting control solution without complex setup. The energy-saving features will be appreciated by businesses looking to reduce electricity costs, and its long battery life adds minimal maintenance requirements. For those seeking to automate lighting in areas with occasional movement, this device delivers the right balance of performance and convenience.

Not suitable for:

While the Lithonia Lighting SensorSwitch CMR 9 PIR Ceiling Mount Motion Sensor is great for small to medium spaces, it may not perform as well in large rooms or areas with irregular layouts. Users with high ceilings or complex room designs might find the motion detection inconsistent. Additionally, those who need precise sensitivity control for larger movements may be disappointed, as some users reported limitations with detecting fast or large motions. Commercial spaces with heavy foot traffic or fast-moving equipment may find this device less effective than anticipated.

Specifications

Mounting Type: Ceiling mount design compatible with ceiling tiles, metallic grids, and junction boxes.
Detection Range: 360° motion detection, covering a wide area within the specified range.
Maximum Detection Range: Effective motion detection up to 12 feet in diameter.
Time Delay: Adjustable time delay feature from 30 seconds to 20 minutes for customized lighting control.
Power Source: Operates on line voltage, with no external power pack required.
Battery Life: Long-lasting battery life of up to 10 years with default settings.
Safety Certification: Certified to meet US and Canadian safety standards (CSA).
Temperature Range: Operational temperature range between -10°C and 60°C.
Dimensions: Compact design with dimensions of 4.55″ diameter and 1.55″ depth.
Color: White color finish that blends seamlessly with most commercial interiors.
Material: Constructed from durable plastic and aluminum materials for longevity.
Warranty: Comes with a 5-year limited warranty for peace of mind.
Ceiling Height Compatibility: Best suited for ceilings ranging from 8 to 15 feet high.
Compatibility: Compatible with standard commercial lighting systems that operate on line voltage.
Energy Efficiency: Designed to help reduce energy consumption by automating lighting control.
Installation: Easy installation process with included mounting hardware, reducing setup time.
Sensor Technology: Utilizes Passive Infrared (PIR) technology for accurate motion detection.
Mounting Surface Compatibility: Compatible with ceiling tiles, metallic grids, and junction boxes for versatile installation.
Detection Sensitivity: Some sensitivity adjustment may be needed for optimal performance in large or fast-moving environments.

FAQ

Installation is straightforward with the included mounting hardware. You simply need to attach it to the ceiling, connect the wires to your existing light circuit, and adjust the sensor's settings as needed. No external power pack is required, making it a simple and cost-effective installation.

The maximum detection range of this PIR motion sensor is 12 feet, covering a 360° area. It’s ideal for small to medium rooms, ensuring that you don’t miss any motion within that range.

Yes, the time delay is adjustable from 30 seconds to 20 minutes. This feature allows you to set how long the light stays on after motion is detected, providing flexibility depending on the room’s usage and your preferences.

This ceiling mount motion sensor is designed for indoor commercial spaces and is not suitable for direct outdoor exposure. It works best in dry, enclosed environments such as offices or retail spaces.

This sensor is optimized for ceilings ranging from 8 to 15 feet in height. It may not perform as effectively in extremely high or low-ceilinged rooms.

The motion sensor’s battery can last up to 10 years with default settings, which significantly reduces maintenance efforts and costs over time.

While this sensor works well in most commercial settings, some users have reported occasional sensitivity issues with large or fast movements. If your space experiences a lot of movement, you may need to adjust the sensor’s settings or consider a more sensitive model.

Yes, the Lithonia Lighting SensorSwitch CMR 9 PIR Ceiling Mount Motion Sensor is CSA certified, meeting both US and Canadian safety standards, which ensures it’s reliable and safe for use in commercial environments.

To maximize energy savings, it’s recommended to adjust the time delay to suit your usage. For example, setting the time delay to the minimum (30 seconds) in areas with brief occupancy can reduce unnecessary power usage.

This sensor is rated to operate in temperatures ranging from -10°C to 60°C. If your space experiences extreme temperatures outside of this range, the sensor’s performance may be affected.