Built-human infrared sensor module, sensor module light effects, delay switch module. load capacity, strong anti-jamming capability. people into the sensing range, can be automatically opened, after leaving the automatic delay off, can automatically identify day and night, and the external environment illuminance can freely choose the starting job, Automatic work to do in the evening, during the day and closed. Users can adjust; light time is adjustable and can be adjusted by the user according to local conditions. Color: Black Detection range: 180degree Operating voltage: DC12V Detection distance: 15m (24 Degrees Celsius) Delay Time: 15 seconds to 7 minutes Installation height: 1.8m-2.5m Material: ABS Installation: open type, (hole 16mm) installation, adjusting for the next button. Package includes: 2 x 12V human infrared sensor Only the above package content, other products are not included. Note: Light shooting 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.