The Wireless Door Alarm adds reliable security to any exit or entrance door. The alarm simply installs on the upper corner of the interior or exterior doors. Choose from a 30-second, 3 minute, or continuous piercing alarm sound if the connection is broken during any unauthorized exit or entry, or choose a set of 10 beeps announcing the door has been opened. Features a key-operated On/Off switch to allow access and silence the alarm. Battery operated with a long-life 9-VDC alkaline battery and is fitted with a double reed switch assembly for double door installations. Easy to install and program, this highly visible and compact unit is an inexpensive yet effective security device. Not for Outdoor Use or Water Exposure.

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