130dB DC12V Motor Driven Air Raid Siren Horn Industry Boat Alarm

High decibel volume - the alarm sound can reach 130 decibels, continuous sound, strong penetrating power, easy to find alarms in time.
High quality motor - 1000 rpm rotation speed, trigger sensitivity, excellent warning performance.
Various settings can be selected - voltage: AC220V; frequency: 50/60 Hz.
High quality body - aluminum and steel, shockproof, corrosion resistant, elaborately and more durable.
Wide range of applications - for a variety of locations, used in factories, schools, terminals, warehouses, public buildings.