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This compact, easy to install magnetic contact alarm made by Intermatic (a recognized leader in the security industry) can be used on doors, windows- anything that opens and closes. It is an ideal security device for home, store, office, etc. If the protected door or window is opened it will sound a powerful 110dB alarm to scare off the intruder and alert you to the attempted entry. The alarm will automatically reset after aproximately 2.5 minutes.The owner can arm or disarm the unit using a programmable security code. For added protection one window security sticker is included.

It has a 30 second exit delay and a 10 second entry delay. It requires 4 AA batteries that are not included. A low battery indicator will inform you when it is time to change the batteries. The dimensions of the alarm are five and three-eights by two and three-quarters by one and one-quarter inches.