GE Personal Security Window/Door Alarm, DIY Home Protection, Burglar Alert, Magnetic Sensor, Off/Chime/Alarm, Easy Installation, Ideal for Home, Garage, Apartment, Dorm, RV and Office, (2 pack), 45115

• Sounds alarm when door or window opens, helps deter intruder and alert residence
• Includes two 120-decibel window/door alarms, each with three adjustable settings off/chime/alarm
• Easy and convenient to install, requires no wiring. All mounting hardware included, for indoor use only
• Low battery test button to easily check battery life, includes 1 Lr44 battery for each alarm
• Perfect for home, garage, apartment, dorm room, mobile home, RV, office and more