United Security Products 724 Glass Break Detector Window Bug

The Products Window Bug Glass Break Detector has a patented tuning fork technology that enables the to sense shockwave frequency of breaking and interrupt alarm circuit. It won't false from rapping on outside with coin, keys, or sound simulating glass. In addition, built-in tamper switch making nearly impossible defeat.

Features

• Dry Circuit
• No Power Required
• Adjustable Operation OC CC
• Peel Stick Mounting
• Protects up 32 square feet
• Automatic Reset
• 1 1/4" Diameter x 1/2" Length
• Broken Pulse Time: 10 Milliseconds
• HG Compliant