Features: and Material: ABSMain Color: BlackSize: Approx. 55x46x18mm (LxWxH)Specifications:Multifunction cycling computer, include ambient temperature display, speeding alert feature, clock function, stopwatch function etcA big screen design and super wide working temperatureSimple installation and easy settingStylish design outside light, water proof design, portable ,easy to disassembleHeader separate design makes it remove at any timeThe head can be rotated to facilitate the installation of the crossbar or vertical handleThe code table highlighted white display at nightDouble-four window display makes it easily to view the data without frequent adjustment button Silicone buttonFunctions:Dynamic display of mileage, cycling time, real-time speed, travel time, calories consumed, current time, current dateAutomatic shutdown functionWith 12 or 24 hour clock, Celsius or Fahrenheit temperature unit selection, calendar feature that allows you to travel more to graspLow battery voltage tips, so you keep abreast of the work of the code tableA stopwatch function allows you to accurately grasp the ContestSuitable for 4 " -40 " bicyclePackage Included:1x Wireless LCD Cycle Computer Odometer Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.