1, Detect range 10-15m 2, Pir &pet immunity up to 25kg 3, pir sensitivity adjustment 4,Automantic temperature ... compensation Detector Featuresintelligent signal analysis for reliable detection, pet immunity up to 55 lbs (25 kg) and a slim design ... "C" alarm contact and tamper switch Digital signal analysis Pet immunity up to 55 lbs (25 kg) Quad Linear Imaging Technology ...