Durite's easy to install slim PIR. Built in PIR sensor/switch, 35 second timer, extends battery life. Low energy consumption. Low Profile Design - only 22mm. E-type Approved ECE R10 12/24 volt. 5.0Amp. Waterproof to IP67. 5 Meter Detection Distance. 35 second timer - Once the sensor has been triggered, this timer unit will automatically switch the connected lamps on for a period of 35 seconds before automatically switching off. If continuous movement is detected then the lights in the vehicle will remain on. The maximum current draw that is permitted via the relay is 5.0 Amps Max. Low profile design - These surface mounted units are only 22mm in depth therefore keeping obstruction to the minimum.