DSC Power-G NEO Wireless Door/Window Contact Detector with Hardwired Auxiliary InputSuitable for a wide range of residential and light commercial environments User selectable operation of auxiliary input as NC or EOL (end of line loop with NC or NO sensors) Optional, configurable auxiliary input enables installation of additional hardwired devices when necessary Auxiliary input can be enrolled as a separate zone Battery life of up to 8 years (with typical use) Configured from the keypad no need to re open the detector once closed Low