Editorial Product Review:Amazon.com Item Description:The Intermatic magnetic trip wireless alarm provides safety, security and convenience. Mounted with double-sided tape to a door or window frame, the alarm sounds a piercing 90 dB siren when the magnetic contact separates. When the code is entered on the on/off switch, the alarm is activated/deactivated. This switch operates on and includes three replaceable 1.5-volt button batteries. This ivory security system comes with a 6-year limited warranty.
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Buyer Reviews
Average Buyer Rating:

Customer Rating: 
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Peace of Mind
Great for windows. Loud alarm assures you'll wake up if device is activated. I sleep better now! Practical gift.
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Wireless Alarm
Installed quickly on patio sliding door. Alarm is loud enough to be heard from back bedroom
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Inexpensive alarms
I purchased these alarms to put on some windows in our walkout basement. The alarms are not real loud, but loud enough to be heard upstairs. The dogs definitely heard them and raised a ruckus because they hurt their ears. Easy to install and inexpensive.
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Good Alarm System
Good Alarm System. Needs three tiny little batteries. Does not require to screw on the walls. Simple to install. Have fun.