The JA-185B is a small size glass breakage sensor, it detects the breaking of a pane of glass. The glass breakage detector analyzes air pressure changes in combination with sound analysis. It uses digital signal processing to avoid false alarms. It is possible to assign the detector to a zone and it takes one position in the alarm system.

Features:
- Power supply: 1x lithium battery type CR 14505 (AA 3.6 V)
- Battery life: 3 years
- Communication protocol: 868 MHz
- Wireless range: up to 100 meters
- Detection range: 9 meters
- Dimensions: 46 x 88 x 22 mm
- Safety class 2 in accordance with EN 50131-1, CLC/TS 50131-2-6, EN 50131-5-3