Multi-functional cycling computer will track cycling data like current/maximum/average speed,trip distance, cadence,temperature etc. And2.5'' LCD large screen provide clear and crisp reading, enjoy your pleasant cycling trip! Features:2-in-1 cycling computer with bike and cadence mode.Track and display speed,time,distance,trip time and multiple datas in data instantly.With backlight design,provides high visible during the day and night.2.5'' large LCD screen for clear and crisp reading during cycling.Easy to install onto the handlebar with the mount and cable ties provided.IP65 water resistant body allows for rainy day riding. Functions:2 Bike SystemCurrent/Maximum/Average SpeedTrip DistanceAuto Trip TimerService Reminder for Bike 1&2Speed ComparatorSpeed TendencyOdometer Save Function for Bike 1&2Total Distance for Bike 1+Bike 2Current/Maximum/Average CadenceCalories CounterFat BurntDigital Clock with 12/24 FormatKM/M SelectionTemperature with C/F SelectionAuto Start/StopAuto Wake-upAuto Power OffEL BacklightSpecifications:Color: White/Black (optional)Material: ABSWaterproof: IP65 Fitshandlebardiameter:28-31mm/1.10-1.22inPower source: 2* 210mAh CR2032 battery (included)Computer dimension: 75*50mm/3*2inPackage weight: Approx. 148.3g/5.2oz Package List:1* Bicycle Computer1* Speed and Cadence Sensor1* Bracket1* Speed and CadenceMagnetic Screw8* Cable Ties2* CR2032 Batteries1* Instruction