The Access Sensor takes minutes to install and doesn't require any wires or screws. The tamper-proof smart technology discretely monitors windows and doors, providing alerts when they open an inch or more. If you forget to close a window or door when you leave home, your Smart Home Security system will alert you to remind you to secure any points of entry all before you exit the driveway. Honeywell Secure Wiselink Protocol keeps your system safe and the sensors battery lasts up to 4-years so you don't have to worry about frequent battery changes. Size: 4.46 In. Material: White.
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