SecurityMan SM87B Wireless Door/Window Sensor for AirAlarm Home Security System (White) Review

Average Reviews:

(More customer reviews)the door sensor does not function 100% all the time. Amazon should contact the maker and make sure that they sell quality products which function 100%. Amazon should send me a new sensor free.

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SM-87B is an add-on wireless magnetic door/window sensor for SecurityMan Air-Alarm system. Wireless transmitting distance is up to 450ft (in open area). It includes a 23A 12V alkaline battery which could last up to 2 years.

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