The motorcycle horn universally fits 12V DC motorcycles, which is waterproof and it has loud volume for warning. Specifications: Color: Silver, black Material: ABS, metal Voltage: DC 12V t: 1.5A Loudness: 95-115dB Frequency: 46040Hz Hole diameter: 8mm Package size: 12.5 * 9.5 * 6.5cm / 4.9 * 3.7 * 2.6in Weight: 190g/6.7oz Package List: 1 * Motorcycle Horn