Description: Discrete, Compact Black Design 300DB Sound Volume, The Most Powerful on The Market!Low power consumption and high performance. Loud, Clear and Deep Train-Like Sound,Reduce unnecessary injuries and add a level of safety to your driving. Made from Quality metals and an ABS construction that wont oxidize,Low power consumption and high performance. The beautiful snail angle appearance adopts special waterproof and dustproof design,Complete Water and Weather Resistance Simple Installation Universally used in most motorcycles, ATVs, go-karts, trucks and 12V power supplies. Specifications: Material: ABS Loudness coefficient: Technical support: Vehicle power: 12V Single speaker size: Depth: approx.9 cm Quantity: 1pcs Package Included: 1 set Snail Air Horn