Specification Alarm : Audible Brand : Pomya BulletPoint1 : Witnesses only need to break the panel glass of the fire safety alarm button in to send the fire alarm to the controller and send part of the fire alarm . BulletPoint2 : Sandblasting panel, elegant . It is the best protector for home, shopping mall and other places. BulletPoint3 : Use fire-proof materials to meet safety requirements. BulletPoint4 : Use plastic shell, easy to install. BulletPoint5 : Support electrical control or access control system. Color : default ExternallyAssignedProductIdentifier1 : 739904774280 ExternallyAssignedProductIdentifier2 : 0739904774280 ItemName : Red Sign Emergency Stop Switch,Emergency Exit Fire Alarm Button Release Security Glass Break Alarm Switch for Exit Doors Emergency Doors ItemPackageDimensions_Height : 10 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 10 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : commercial-lighted-exit-signs Manufacturer : Pomya Material1 : Plastic Material2 : Glass ModelNumber : Pomyau30ntp4fyo NumberOfItems : 1 OperatingHumidity : 0-95 percent PartNumber : Pomyau30ntp4fyo PowerSourceType : PowerSource ProductDescription : The product is a broken glass fire emergency exit release button (unipolar), suitable for exit doors and emergency doors. Specifications: Rated current: 3A@36VDC Applicable to doors: exit doors, emergency doors Operating temperature: 10 ~ + 55 (14 - 131F) Material selection: fireproof materials, sandblasting products Working humidity: 0-95% (relative humidity) Size(l*w*h): 8.6*8.6*5.0cm/3.4*3.4*2.0in Package Weight: 144g/5.1oz