Usage Tips:[SUPER OCCUPANCY SENSOR] - 3 detectors for triple overlapping coverage to catch even small movements.[LIGHT SENSOR ADJUSTABLE] - 3LUX~2000LUX adjustable, the ceiling occupancy sensor can be adjusted to both work in day and night, or only work at night.[DELAY TIME ADJUSTABLE] - 10sec-7min adjustable, the delay time controls how long the light stays on once the ceiling motion sensor detectes motion. During the delay time if motion detected, the delay time will reset and start a delay time.[DETECTION RANGE ADJUSTABLE] - 3-12m adjustable, it can be adjusted according to your demand. The ceiling occupancy sensor both fits for small room and room.[PIR MOTION SENSOR] - Working by detecting human movement(or heat source), the motion sensor switch is widely used on LED light, compact fluorescent lamp, incandescent lamp, ceiling light, exhaust fan...Colour: whiteMaterial: plasticPackage Contents:1 x Sensor switchOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.