Magnetic Door/ Window Alarm

Features:

• This compact, attractive Magnetic Door/ Window Alarm uses magnetic affinity to initiate its 110 decible 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 the door or window.
• Great for any door or window, particularly those hard to protect sliding glass doors.
• Requires 3 lithium button cell batteries (included).