Sleep fearless with These Magnetic Door/Window Alarm that uses magnetic affinity to initiate its 90 decibel siren. The base of the alarm is bolted to door or window frame, the actuator is connected to the window or door. The alarm is activated by opening those hard to protect sliding glass doors, Requires 3 lithium button cell batteries (includes). If you’re worried about the safety or your family, home or company it is often necessary to install a safety guard. When a thief breaks in, a child opens a window or someone else opens your hotel door the safety guard will send out a audible warning sound to alert you immediately of the intruder.

Product Features

• Set of 4 alarms 7/24 reliable and excellent quality designed in the USA
• Provides alarm security for doors, windows, sliding glass doors and cabinets (not for horizontal window opening)
• Alarm sounds when magnetic contact is separated
• Ultra loud alarm, Easy to install, no wiring
• Don’t wait til break-ins to take care of matter