Friedland HIS77A Wireless Door/Window Contacts - pack of 2

This pack of 2 Friedland Wireless Door/Window Contacts are ideal for protecting addittional doors and windows in your home. When the door or window is closed, a magnet keeps a switch closed. When the door or window is opened the switch opens and sets off the alarm if it is set.

Friedland HIS77A Wireless Door/Window Contacts are fully compatible with both GlobalGuard and Response Premium Wireless Alarms.

• Alerts you to an open door or window
• Expands your existing Response Premium Wireless Alarm System or GlobalGuard Alarm System operating on 868MHz
• Full instructions supplied
• Supplied in a pack of 2
• Friedland type HIS77A