Ⅰ. The emergency glass break key switch is an essential tool for fire safety and emergency situations. Designed for use in buildings, hotels, and public spaces, this key allows for access to emergency buttons and alarm systems. Insert the key into the designated slot, apply pressure to break the glass, and activate the emergency alarm. This ensures response and enhances safety protocols. Ⅱ. Features Ⅲ. -Color:Black Ⅳ. -Material:Plastic Ⅴ. -Size:5.80X1.50X1.50cm/2.28X0.59X0.59in Ⅵ. -Material: made from materials, this emergency key is used in environments, providing peace of mind Ⅶ. -Easy to use: the simple design allows for operation, reducing the complexity of emergency procedures and ensuring action when needed Ⅷ. -Testing: insert the key into the test hole to control the switch, meeting testing requirements in a single step, making it efficient for regular checks Ⅸ. -Versatile application: suitable for various fire safety facilities, including public places, commercial buildings, and residential complexes Ⅹ. -Wide range of use: used in the field of fire safety, this key is an essential tool for maintaining and testing emergency systems in diverse settings Ⅺ. Package list: 10 x bedroom door key emergency key