Go go shopping now，we are phoneface.Features:Condition:100% brand newFine workmanship and waterproofEasy to install and fit for all bicyclesA variety of different resounding sounds，such as car horn-type sound，ambulance-styleSpecifications:Material: Reinforced plastics， electronic componentsPower: 9V battery 6F22Size: 8.8*4.0*5.4cm/3.5 *1.5 *2"Length of the control line: 22cm/8.58Net Weight:109gColor:BlackPackage included:1 x Bicycle Electric Horn1x Ring (The Battery is not be included)have a best day