Feature: 1. Superior Iron Material: The fire alarm bell is enclosed in a rust resistant iron metal casing, ensuring long term durability. The bell produces a crisp and loud sound, making it easily recognizable during emergencies. 2. Stable and Robust Power: Thanks to the scientifically designed circuit board and carefully chosen driver, the alarm bell delivers stable and effective performance, signaling danger promptly and persistently. 3. High Decibel Alarm: The fire alarm bell features a high decibel sound that is powerful and resonant, ensuring the alarm is heard throughout the premise, even in a noisy environment. 4. Pure Copper Coil: Equipped with a pure copper electromagnetic coil, the alarm bell performs steadily and is resistant to burnouts. This feature ensures quick action, strong impact, stable operation, and a long use life. 5. Essential Safety Device: The security alarm bell is an essential safety device required in homes and businesses. It provides a reliable early warning system in the event of a fire, helping to save lives and property from potential damage. Specification: Item Type: Fire Alarm Bell Material: Iron+Plastic Voltage: 220V AC Current: 0.06A Application: Factories, schools, entertainment, ranches, home Weight: Approx. 1372.00g / 48.4oz. Package List: 1 x Fire Bell Note: 1. Single continuous working time should not be greater than 3 minutes is recommended to control within 30 seconds, reasonable use can effectively protect the coil, prevent burnout, prolong the use life of the bell.2, The working voltage in ± 10% of the rated voltage range can work normally.3. Insulation resistance is not less than 2Ω.4. The relative humidity of the air is not more than 85%.5. The ambient temperature is not higher than +40℃ and not lower than ‑40°C. The temperature of the surrounding environment is not higher than +40°C and not lower than ‑40°C.6. Use in an environment free from explosive metal and insulation damaging gases and dust (including conductive dust).7. Use in a place where there is no rain or snow.