Usage Tips:WIDE APPLICATIONS SPIRAL ALARMThe 220V alarm siren produces sound through the motor which drives the face-to-face type siren wind so that it sounds like an electric drill. GOOD ADAPTABILITY IN TEMPERATURE High temperature resistance, low temperature resistance. EASY ASSEMBLYEasy installation: Installation at any time. fixed base, you can adjust the nozzle up and down. The SCURIT FACTOR LEV220V siren alarm uses 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, road breakdown reminders and emergency call systems. 1. As alarm systems for large workplaces: This 220V alarm siren is widely used in alarm systems for mines, power stations, aeronautics, etc. ;roports, ports, warehouses, docks, blasting, etc. 2. As audible inarms for nature's disaster: This 220V alarm siren is used in audible alarms for natural disasters such as earthquakes, landslides, landslides, etc. terrain, typhoons, fires, minefields, forest fire prevention, etc. 3. As emergency alert systems for public spaces: This 220V alarm siren is widely used in factories, fire schools or security systems. emergency alert in places such as public buildings, commercial areas, residential areas, etc.