Feature:1. Real-time display: Current speed, riding time, riding distant and current time and date.2. Show data: View the Average/Maximum speed, Accumulated distance/ RPM/Calories consumption, Accumulated time/Trip time, Temperature/Date.3. Back light: LCD display with back light allows you to read riding data easily and clearly during night trip.4. Convenient: Buttons control for easy operation. Small size, light weight and easy mount on your bike.5. Stopwatch for you to check the data in competitions.6. Unit options of kilometer / mile, 12h / 24h systems, Celsius / Fahrenheit temperature systems.7. IPX5waterproof for good conservation in raining days.Please do mot soak into water for long time.Specification:To track your riding speed, distance, RPM, time and calories?and so on data so you can?master your Cycle state and have a adjustment at any time.Features:Real-time display: Current speed, riding time, riding distant and current time and date.Show data: View the Average/Maximum speed, Accumulated distance/ RPM/Calories consumption, Accumulated time/Trip time, Temperature/Date.Back light: LCD display with back light allows you to read riding data easily and clearly during night trip.Convenient: Buttons control for easy operation. Small size, light weight and easy mount on your bike.Stopwatch for you to check the data in competitions.Unit options of kilometer / mile, 12h / 24h systems, Celsius / Fahrenheit temperature systems.IPX5 waterproof for good conservation in raining days.Please do mot soak into water for long time.14 Functions:Date and Time(DA)Temperature(Th)Riding speed(SPD)Maximum riding speed(MAX)Average riding speed(AVS)Riding distance(DST)Accumulated distance(ODO)Calories(CAL)RPMRiding time(RT)Riding accumulated time(RAT)Trip time(TT)StopwatchLED back lightKM/MM, C/F, 12h/24h conversionSpecification:Model: Wired / Wireless (optional)Material: PlasticWaterproof: IP X5Power: 2 * 3.0v 240mAh CR2032 battery (included)Host size: 5.5 * 4.3 * 2 cm / 2.1 * 1.6 * 0.7 inHost weight: 30 g / 1.0 ozPackage weight: 64 - 71 g / 2.2 - 2.5 ozPackage List:1* Bike Computer1* Magnet5* Ribbon1* Foam Pad1* Wire Sensor CablePackage List:1* Bike Computer1* Magnet5* Ribbon1* Foam Pad1* Wire Sensor Cable