Strong Sound Penetration: The alarm has a sound size of 120dB, ensuring that the warning sound can be clearly communicated in noisy factory, building and road environments. Continuous Sound Output: The light source is continuous sound, providing a stable and long-lasting alarm sound, making it suitable for industrial scenarios requiring continuous warning. Widely Applicable:: Through the motor to drive the wind screw structure, the sound is similar to the electric drill, with a strong warning effect, suitable for factories, buildings, road failure devices and other occasions. Flexible Installation: The alarm is installed by fixing the screws at the bottom, and the air outlet can be adjusted up and down to adapt to different environments and installation needs. Moderate Power: The power of the electric motor wind screw alarm is 25w, which can not only ensure enough sound, but also realize energy-saving working., Weight: 0.881849048 Pounds, Manufacturer: Fafeicy