Item Type: Fire Alarm Bell_x000D_Product Colour: Red_x000D_Product Material: Aluminium, steel, copper. _x000D_Product Size: Approx. 150mm / 5.91in_x000D_Product Power Mode: External_x000D_Product Voltage: 220V_x000D_Product Alarm Volume: 95db_x000D_Product Processing Technology: Electroplating 1Has Clear Sound: The volume can get up to 95dB, so the ringing alarm reaches far in the distance for more clear alarming. 2Stable Working: Adopting copper electromagnetic coil, which enables little interference, high sensitivity and stable work. 3Practical Uses: Allows for broad application in various places, including home, hotel, warehouse and so on, very practical. 4Great Material: Using aluminium material with full steel electroplated shell, rustproof and very durable for long using. 5Easy to Install: With portable wired power supply, can be installed on the wall, ceiling and other installation method.1 x_x000D__x000D_Fire Alarm Bell