The Glass Guard glassbreak sensor mounts directly on glass, making it perfect for homes with big picture windows and for businesses with large storefront glass.

• 5' sensitivity radius
• Can be mounted anywhere on glass, at least 1" from glass frame
• Adheres to glass being protected

• Tamper switch
• Color: white or brown
• Dimensions: 1.5" W x 3.25" H x 0.88" D
• Batteries: 3.5 VDC 1/2 AA lithium
• Battery life: 8-10 years
• Technology: Crystal