Designed with user safety in mind, the emergency door release button is equipped with a hands break glass cover that must be broken to access the alarm button. This feature prevents accidental activation and ensures the alarm is only triggered when necessary. The device is suitable for various environments, including restaurants, offices, schools, and hotels. Features -Color:Red -Material:Plastic -Size:8.50X8.50X4.70cm/3.34X3.34X1.85in -Rapid activation: the emergency door release button provides quick activation of system, ensuring in fire emergencies -break mechanism: the glass break alarm is equipped with a break mechanism, facilitating easy alarm triggering in emergencies, ensuring reliable safety -Multiple applications: great for use in offices, shopping centers, and schools, offering extensive fire alarm protection across various environments -Reliable plastic build: made from plastic, this alarm button makes use without damage, ensuring continuous safety protection -Simple installation: the alarm button is easy to install with straightforward steps, allowing for fast and convenient safety setup Package list: 1 alarm button