General description The Waterproof Reversing Horn is a super loud backup alarm designed for cars and motor vehicles. It operates within a voltage range of 12-80 volts DC, making it suitable for a wide variety of vehicles. With a powerful output of 110 dB, this alarm ensures that its sound will be heard, enhancing safety while reversing. Technical specifications Power: 30W Color: Black Current: 1.5-2.0A Decibel: 110 dB Material: Plastic Voltage: 12V-80V DC Package Weight: 330g/11.6oz Style: Dense Grid/Cross Line Package Size: 10.5*8*5cm/4.1*3.1*2in Usage This backup alarm is designed to be installed on vehicles to alert pedestrians and other drivers when the vehicle is reversing. Its loud beep ensures that it captures attention, promoting safety during maneuvers.