Designed to work with all our security systems, PB-0038, PB-0035 and UT-YA-500. This battery-operated motion detector vigilantly stands guard looking for activity. Features When motion is detected (by a heat-sensitive Infrared sensor), this unit wirelessly activates the security system`s siren and starts your auto dialer! Our motion sensors have built-in smart technology, they detect for both heat and movement. Motion sensors work 24 hours a day, which means they also work in the dark 2262 learns code, power: AA alkalescence battery 3*1.5V AM4,low power indication, adjustable time for,alarm delay,detecting distance adjustable Automatically temp. compensation,anti-RFI & anti-EMI, Battery life: Up to 1 year depending on battery quality and amount of activity. Detectingdistance: 12m Detecting angle:110 degrees"