You can also check Insteon 2843-292 DOOR/WINDOW SENSOR, RETAIL - US and Samsung SmartThings Multipurpose Sensor for a better comparison at Sensorsguide.biz.

Insteon Door Window Security Sensor w/ Product the first magnetic contact sensor wirelessly lights appliances throughout When magnetic is broken, opened, TriggerLinc can do things turn lights, set the to or trigger custom event Gain the peace mind knowing that be alerted back sneaks ajar or side doors, windows, sheds, cabinets, that opens, TriggerLinc a easy-to-use for adding awareness any home.
An AA battery is required and included.
Features: • • powered wireless sensor • Plug • better • be placed on door window Works with devices • to 150-ft.
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