Specification Product nameBicycle ComputerScreen size2 9 inch LCD Product Size90MM 53MM 20MMWeight 77 5GBattery1100mAh 3 7v Built in lithium battery Charging portMicro USBMemory Capacity16m approximately 150 Hours of data Battery life30 35 HoursCharging timeAbout 3 5 hoursAPP synchronization protocolBluetooth 4 0Peripheral connection protocolANT Support peripheralsSpeed cadence heart rate powerWater proof IPX6 Can be exposed to rain not long term soaking in water Type GPSFeatures 2 9inch super big ANST screen Automatically light the backlight Switzerland Ublox chip faster positioning and accuracy track record ANT Peripheral supported heart rate monitor cadence sensor powermeter Real time data showing max current average speed cadence heart rate power gradient Time distance ast ODO altitude temperature Support app data analysis and sync to Strava 1100mAh rechargeable battery 30 hours super long endurance 150h huge memory Built in barometer thermometer IPX6 waterproof Package included 1x Bicycle Computer1x Micro USB cable1x Bike computer mount1x Rubber pad3x Rubber band