Bosch RFGB-CHI RADION Glass Break Detector Wireless Acoustic Wave Detector F.01U.253.623

Dual frequency acoustic detection technology Sliding self-locking shell, easy to install Use a user-replaceable CR123A lithium battery with a service life of up to 5 years Monitor the low battery status, the guard tamper status and the removal status of the self-installing surface tamper switch size: 101.42mm x 112.90mm x 35mm (3.99 inches x 4.44 inches x 1.38 inches) Power/Voltage: 3 VDC Battery type: One CR123A lithium battery Battery life: Up to 5 years Glass types and thickness: Type, thickness Ordinary glass 2.4 mm to 6.4 mm (3/32 in to 1/4 in) Toughened Glass 3.2 mm to 6.4 mm (1/8 in to 1/4 in) Laminated glass 3.2 mm to 6.4 mm (1/8 in to 1/4 in) Wired glass 6.4 mm (1/4 in) Minimum pane size for all types of glass 1.2 meters (4 feet) microphone: Omnidirectional 360 degree electret