WIDE APPLICATIONS SPIRAL ALARMThe 220V alarm siren produces a sound that sounds like an electric drill through the motor that drives the wind screw siren. GOOD TEMPERATURE ADAPTABILITY. High temperature resistance, low temperature resistance. EASY TO INSTALLEasy installation: Fixed base installation, you can adjust the nozzle up and down. The SCURIT FACTOR LEV220V siren alarm uses high-quality materials with stable working performance and use. WIDE APPLICATION: The powerful 220V siren is driven by an electric motor to emit sound, and the working performance is stable. The 220V alarm siren is suitable for factories, buildings, breakdown warnings and emergency call systems. 1. As alarm systems for large workplaces: This 220V alarm siren is widely used in alarm systems for mines, power plants, airports, ports, warehouses, docks, blasting operations, etc. 2. As an audible alarm in natural disasters: This 220V alarm siren is used in audible alarm in natural disasters such as earthquakes,