Vintage 12V Car Truck Driven Air Raid Siren Horn Loud Sound Alarm Fire Security Brand new and high quality. Easy to install. All metal Body. Heavy duty construction. Motor driven for an authentic sound. Durable powder coated finish. Sound level: 110dB. Applications vehicle: fits on any 12 Volt vehicle(Car, Truck, SUV, Motorcycle, Yacht, Boat, off Road Vehicle, Busses etc). Color: red. Size: 7.5cm x 7.5cm x 7.5cm.