The PIR-Cam features a .05 lux, high resolution monochrome micro video security camera with wide angle lens built into a fully functional PIR sensor. The PIR sensor (not shown) is a high quality unit with selectable normally open or closed triggering. Both the PIR-Cam and the PIR sensors work with any of our alarm VCRs, VCR controllers or quad processors with alarm inputs. All operate on 12 volts DC. Security Camera, Surveillance Camera