ITEM NAME:12V General Motor Scooter Bike Waterproof Electric Horn Bell Trumpet 100d B Ew Features: * Strong shock * Waterproof electric horn * Quality assurance * B uy two speakers will be three-dimensional feel while using * Sound pressure level of up to 105dB or more * Normal tweet can reach more than 70,000 times * Shock and waterproof performance is generally twice horn Specification : Dimensions: Diameter 7cm, 10cm long Voltage: 12V Color: Black Package include 1X Horn.Waterproof electric horn. Shock and waterproof performance is generally twice horn.