Jakin ID’s break glass is utilized for emergency door release to cut off the EM Lock power for opening the door. Main Features: This break glass had been tested by Jakin ID for emergency door release purpose such as fire. Features: Emergency glass break Available in red or green Specification: Rated voltage: 12/24V DC/220V AC optional Consumption: 10W SPL: 103dB/1m Measurement:470 x 285 x 205mm