Features118 Functions: Speedometer, average speed, maximum speed, trip meter, trip timer, etc., to meet all your needs. for road bikes and Cycle enthusiasts. 2Waterproof: Whether it\u0027s raining or you\u0027re washing your bike, you don\u0027t have to worry about the device getting damaged. 3Auto On/Off: No need for manual operation, convenient and quick. A must-have feature for any Cycle computer. 4Calorie and Fat Burn Calculation: Helps you better understand your exercise situation. A great feature for those using their bike for fitness or weight loss. 5EL Backlight: Clearly see your data even in dark environments. A necessary feature for any bike computer wireless device.SpecificationThis multifunctional large screen wireless bicycle computer is your ideal Cycle companion. It features 18 functions, including a speedometer, average speed, maximum speed, trip meter, trip timer, and more. Waterproof design, you don't have to worry about bad weather. Auto on/off, calorie and fat burn calculation, EL backlight, maintenance program, and the freedom to choose between kilometers or miles. Features:18 Functions: Speedometer, average speed, maximum speed, trip meter, trip timer, etc., to meet all your needs. for road bikes and Cycle enthusiasts. Waterproof: Whether it's raining or you're washing your bike, you don't have to worry about the device getting damaged. Auto On/Off: No need for manual operation, convenient and quick. A must-have feature for any Cycle computer. Calorie and Fat Burn Calculation: Helps you better understand your exercise situation. A great feature for those using their bike for fitness or weight loss. EL Backlight: Clearly see your data even in dark environments. A necessary feature for any bike computer wireless device. Specifications:Material: Plastic Color: Black Battery: CR2032 Waterproof: IP65 Size: 5 x 7 x 2cm / 1.97 x 2.76 x 0.79in Weight: 40g / 1.41oz Package list:1 x Multifunctional Large Screen Wireless Bicycle Computer 1 x Bracket 1 x Transmitter 1 x Magnetic Screw and Spoke Clamp 3 x Zip Ties 2 x CR2032 Batteries 1 x User ManualPackage List1 x Multifunctional Large Screen Wireless Bicycle Computer 1 x Bracket 1 x Transmitter 1 x Magnetic Screw and Spoke Clamp 3 x Zip Ties 2 x CR2032 Batteries 1 x User Manual