Feature 1Single trumpet air horn, effectively avoid accidents on the road, guarantee the security of the drivers. 2Includes a stainless steel adjustable trumpet support to prevent vibration. 3Made of premium quality material, ensure stability and for a long time use. Features: Single trumpet air horn, effectively avoid accidents on the road, guarantee the security of the drivers. 125dB super loud, clear and striking, cant be ignored, a powerful warning. Made of premium quality material, ensure stability and for a long time use. Does not require a compressor or hoses, saving time and money. It can be mounted on application that has a 12V DC power available, like trucks, boats, etc. Built under strict control, ensure quality and good performance. Includes a stainless steel adjustable trumpet support to prevent vibration. Specification: Voltage: 12V Current: 10A Sound Level: 125dB Material: Stainless Steel Color: shown as picture Package Size: 41*12*11cm / 16.14 * 6.69 * 3.15in Package Weight: 1000g / 33.12oz Package List: 1 * Horn 1 set of Mounting screw 1 * spacer Package List 1 * Horn 1 set of Mounting screw 1 * spacer