7939WG-WH - Ademco Surface Mount Contacts (White)
Traditional 39 style surface mount All accessories included Standard gap: 1.0
in. (25mm)This protective device monitors the opening and closure of doors and
windows.Alarm Contact switches are magnetic switches used to protect doors and
windows for the most part. Doors are the most common place of entry and should
be protected by your alarm system. The Home Security Store always recommends
contacting every perimeter door in your home or business.
 
Product Features
  

         
Magnetic Alarm Contact
         
Color: White
         
Gap: 1.25 Inch