{"product_id":"sensorswitch-ceiling-motion-sensor-pir-cmr-360-small-motion-detect","title":"SensorSwitch Ceiling Motion Sensor PIR CMR 360 - Small Motion Detect","description":"\u003cp\u003eIn this review of the SensorSwitch CMR Series ceiling motion sensor, the reviewer finds a dependable, no-frills occupancy sensor well suited to commercial interiors where reliable automated lighting matters. The biggest reason to buy is its focused ability to detect small, subtle movements across a full 360 conical pattern, which makes it effective in private offices and small rooms without needing extra sensors. Installation is straightforward for a line voltage device, and the programmable time delay and long battery life for settings memory give the unit practical everyday usability.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e360 PIR coverage:\u003c\/strong\u003e A full conical 360 detection pattern provides even coverage for a single small room or private office when mounted on the ceiling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall motion sensitivity:\u003c\/strong\u003e Optimized to sense small hand and subtle movements within a 12 ft radial range when mounted at 9 ft height, improving responsiveness in low-activity spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine voltage operation:\u003c\/strong\u003e Self-contained relay works on line voltage so no external power pack is required, simplifying integration with existing lighting circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy installation:\u003c\/strong\u003e Compatible with ceiling tiles, metallic grids, 3.5 in octagon boxes, or single gang boxes and ships with mounting hardware for fast ceiling mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable time delay:\u003c\/strong\u003e Time delay from 30 seconds to 20 minutes lets installers tune occupancy lighting to match space usage and save energy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong service and indicators:\u003c\/strong\u003e Push-button pairing, a green LED indicator, and a ten-year battery life for settings memory reduce maintenance and configuration trips.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe SensorSwitch CMR is aimed at facilities managers, electricians, and building owners looking for a compact, ceiling-mounted occupancy sensor for offices, small retail rooms, conference rooms, or other commercial interior spaces. It is particularly useful where detecting small or subtle motion is important - for example, in private offices or areas where people remain mostly stationary but still need lighting that responds to motion.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include projects that require multi-level switching, networked controls, or ultra-long range detection beyond the stated 12 ft radial small-motion range. For exterior use or very high ceilings above 15 ft, a different sensor designed for those conditions would be a better choice.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReliable 360 degree PIR detection that covers a small room without extra devices.\u003c\/li\u003e\n\u003cli\u003eSelf-contained line voltage relay eliminates the need for additional power packs or modules.\u003c\/li\u003e\n\u003cli\u003eFlexible installation options for common ceiling types and included mounting hardware.\u003c\/li\u003e\n\u003cli\u003eProgrammable delay and ten-year memory battery reduce maintenance and tuning work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRange is optimized for small motions to about 12 ft at 9 ft mounting height, so it is not suitable for large open areas or very high ceilings.\u003c\/li\u003e\n\u003cli\u003eNo multi-level control or network integration on this model, limiting advanced control scenarios.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eLithonia Lighting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor type\u003c\/td\u003e\n\u003ctd\u003ePassive Infrared (PIR), 360 conical coverage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection range\u003c\/td\u003e\n\u003ctd\u003eOptimized for small motion to 12 ft radial at 9 ft mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eCeiling tiles, metallic grids, 3.5 in octagon or single gang boxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTime delay\u003c\/td\u003e\n\u003ctd\u003eAdjustable 30 seconds to 20 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e4.55 in diameter, 1.55 in deep\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications \u0026amp; warranty\u003c\/td\u003e\n\u003ctd\u003eCSA certified US\/Canada; 5-year limited warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe SensorSwitch CMR ceiling motion sensor is a practical, value-oriented choice for commercial interiors that need dependable occupancy sensing without complex controls. Its 360 PIR detection and small-motion sensitivity make it ideal for private offices and small rooms, while line voltage operation and easy mounting keep installation simple. Choose this sensor when you need a straightforward, low-maintenance occupancy solution rather than advanced networked features.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this sensor be used with standard ceiling tiles?\u003c\/strong\u003e\u003cbr\u003eYes. The CMR is compatible with ceiling tiles and metallic grids and includes mounting hardware for those installations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat ceiling height does it support?\u003c\/strong\u003e\u003cbr\u003eIt detects motion from approximately 8 to 15 ft ceiling height, with small-motion sensitivity optimized at 9 ft mounting height and a 12 ft radial range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it require an external power pack?\u003c\/strong\u003e\u003cbr\u003eNo. The sensor has a self-contained relay and operates on line voltage without a separate power pack.\u003c\/p\u003e","brand":"Lithonia Lighting","offers":[{"title":"Default Title","offer_id":48748731269339,"sku":"B004QXKDYK","price":71.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51xQSBEh4kL._AC_SL1500.jpg?v=1778792703","url":"https:\/\/gearmusthave.com\/products\/sensorswitch-ceiling-motion-sensor-pir-cmr-360-small-motion-detect","provider":"GearMustHave","version":"1.0","type":"link"}