1, Fashionable color; 2, Road-bike computer with cold backlight; 3, Easy installation; 4,Safety traffic ... MODE2, BASIC SETTINGS-LANGUAGE3, BASIC SETTINGS-KILOMETER/MILES4, BASIC SETTINGS-WHEEL SIZE5, BASIC SETTINGS-TOTAL MILEAGE6, BASIC SETTINGS-SERVICE7, MENU BATTERY ... , dimension can be changed according to your requirement. WATER PROOF BIKE COMPUTER WITH COLD BACKLIGHT SPEEDOMETER