Interlogix offers this Iti PIR 319.5 Saw Wireless Motion Sensor to integrate into your whole NetworX System. The NX-480 SAW PIR detects movement inside enclosed structures and provides the best overall human detection. Use it in large rooms, narrow corridors, and stairwells. It also has a 3-minute motion lockout to conserve battery life and two sensitivity settings. This motion sensor is small and unobtrusive and can be placed anywhere. Optional pet lens included.