4122 Analog-PYR Hardwire Pet Immune Passive 
Infrared Motion Detector,   Input Voltage 9-16 VDC, Input Current 10mA @ 12 VDC nominal, Pet Immune Up to 18 kg (40 lb), Flexibility of operation and installation, Vertical adjustment - three height scale , Alarm Signals Red LED 2 seconds event on event alarm transmission,   Relay Output Solid states relay (SSR) NC (35 V / 100 mA max), Dimensions (H x W x D) 110 x 64 x 31.4 mm (4.33 x 2.52 x 1.24 in.), Weight 90 g