Features: 1.Witnesses only need to break the panel glass of the fire safety alarm button in intensity to send the fire alarm signal to the controller and send part of the fire alarm signal. 2.Sandblasting panel, elegant style. It is the best protector for home, shopping mall and other places. 3.Use fire-proof materials to meet safety requirements. 4.Use durable plastic shell, easy to install. 5.Support electrical control or access control system. Specification: The product is a broken glass fire emergency exit release button (unipolar), suitable for exit doors and emergency doors._x000D_ _x000D_ Features:_x000D_ _x000D_ New emergency release alarm button for broken glass. _x000D_ Support electrical control or access control system. _x000D_ Use durable plastic shell, easy to install. _x000D_ Use fire-proof materials to meet safety requirements. _x000D_ Sandblasting panel, elegant style. It is the best protector for home, shopping mall and other places. _x000D_ Witnesses only need to break the panel glass of the fire safety alarm button in intensity to send the fire alarm signal to the controller and send part of the fire alarm signal. _x000D_ _x000D_ Specifications:_x000D_ Rated current: 2A 36VDC Max_x000D_ Applicable to doors: exit doors, emergency doors_x000D_ Operating temperature: 10 ~ + 55 (14 - 131F)_x000D_ Material selection: fireproof materials, sandblasting products_x000D_ Working humidity: 0-95% (relative humidity)_x000D_ Size(l*w*h): 8.6*8.6*5.0cm/3.4*3.4*2.0in_x000D_ Package Weight: 144g/5.1oz_x000D_ _x000D_ Package List:_x000D_ 1 * Emergency Button