GE Personal Security Window/Door Alarm, 4-Pack, DIY Home Protection, Burglar Alert, Wireless Alarm, Off/Chime/Alarm, Easy Installation, Ideal for Home, Garage, Apartment, Dorm, RV and Office, 45174The simplest security system you will ever use! GE Magnetic Indoor Window Alarms let you know any time a door or window in your house is opened. These easy to install alarms require no wiring and has 4 LR44 batteries included so they can be used right away. Simply stick these to any window that opens and feel secure knowing that your home will alert you when needed.
The Sentrol 1125 series ''Stubby'' Press-Fit magnetic contacts are a 9 mm switch designed specifically for applications where space is limited. The short length makes it ideal for thin-framed windows and doors where longer units cannot be used. Press fit ribs on the housing make for quick, easy installation.