The Honeywell FG1625 is a glass break detector that can be added to any hardwired security system. The FG1625 is part of Honeywell’s IntelliSense family of detection devices. The FG1625 listens for the frequency of broken glass, allow an additional layer of protection for your windows. A maximum range of 25’ allows one glass break detector to protect multiple windows, or even an entire room. With the FG1625, you can detect intruders before they enter your property, as soon as the glass has been breached.