This is a fully assembled and tested miniature PIR module (KC7783 with KC778B IC) with only 3 connections: Power Ground & Output. Rated for 4 12VDC input power. Uses RE200B PIR sensor. Output is an active high pulse of approx. 0.5 seconds and remains active as long as there is motion. Range up to 10 feet. PCB size: 35mm x 25mm(CPS76)