Multi-functional cycling computer will track cycling data like current/maximum/average speed,trip distance, cadence,heart rate, temperature etc.Heart rate mode with current heart rate indicator,which can monitor our heart rate during cycling to ensue our safety. 2.5'' LCD large screen provide clear and crisp reading, enjoy your pleasant cycling trip! Features:3-in-1 cycling computer with bike,cadence and heart rate mode. Heart rate mode with current heart rate indicator,which can monitor our heart rate during cycling to ensue our safety.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. Suitable for24-28mm bike handlebar.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 CadenceCurrent/Maximum/Minimum Heart RateHeart Rate Zone AlertCalories CounterFat BurntDigital Clock with 12/24 FormatKM/M SelectionTemperature with C/F SelectionAuto Start/StopAuto Wake-upAuto Power OffEL Backlight Specifications:Color: White/Black (optional)Material: ABSWaterproof: IP65Power source: 3* 210mAhCR2032 battery (included)Computer dimension: 75*50mm/3*2inPackage weight: Approx. 202.3g/7.1oz Package List:1* Bicycle Computer1* Heart Rate Sensor1* Speed and Cadence Sensor1* Chest Strap1* Bracket1* Speed and Cadence Magnetic Screw8* Cable Ties3* CR2032 Batteries1* Instruction