Insteon 2843-292 DOOR/WINDOW SENSOR, RETAIL - US This Item Includes: Insteon Door/Window-Open/Close Sensor - Magnet - Mounting Tape - AA Battery - Quick-Start Guide - Insteon Limited 2 Year Warranty Automatically control lights and appliances when doors open and close Battery-operated for easy installation Excellent range - up to 150' from nearest Access Point or RF Insteon device For Use with Insteon Systems