To be better、 start from today.Features:100% Brand new and high quality!Wired Bicycle speedometer with LCD display.Monitor your bikes' speed、 distance and riding time.Water resistant design makes it more convenient to use High quality sensors、 stable performance、 accurate speedFashion appearance、 portable and support quick release Wide range of application、 suit for almost all bicycleIdeal assistant for bicycle training .Perfect to use when hiking、 climbing、 riding and other outdoor actives.Make your sports life more free and comfortable.Specifications:Material: Plastic、 Electronic componentsColor: BlackSize: 5.7cm x 4cmPackage Includes:1 x Bicycle SpeedometerJust join us、 enjoy a better life.