The body motion sensor can adjust ambient light as you want: when turn to (max), it will work in the daytime and at night; when turn to MOON (min), it will only work under less than circumstance. The body motion sensor can be set according to your desire. The minimum is 5 sec; the maximum is 5 min. The motion sensor can automatically monitor closing body and control the light in your room with 0.6-1.5m/s monitoring speed. The motion sensor switch's sensor distance is up to 8m and sensor angle is 360 degree. The body motion sensor is compact, which is unobtrusive and will not occupy much installation space. The indicator lamp will flash one time each 4 seconds after switching on the ., and flash two per second when receiving the signal. At the time, it shows the sensor in the normal monitoring conditions. Scope of application The body motion sensor is widely on the motion-activated lighting, corridors, bathrooms, basements, warehouses, garages and other . size:About 9 x 9 x 2cm Material:plastic colour:white Package Contents: 1 * body motion sensor 2 * expansion snail 2 * screw 1 * English manual Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.