Package Included:1x Wireless Bike Speedometer4xTie1x Fixed tube1xConnect a1xThe clock base1xclock1x Induction cable1xThe fixed frame1xConnection1x InstructionsThe main function Dynamic display of mileage, cycle time, real-time speed, travel time, current time and current date; Check the fastest speed, average speed, total trip time, total mileage and current temperatureany time. With luminous function, using high-end high-brightness cold light source, allowing you to check information at a glance at night5:00 PM - Press a key to turn on in the morning8:00, and it will automatically turn off after about 4 seconds.Press a keyother times is off, (the night light is not very bright); Please make sure you see clearly. With metric/imperial unit selection, suitable for different hobbies of users here and elsewhere; vehicle maintenance and refueling advice to protect your car's performance and longevity; With 12/24 hour system, Celsius/Fahrenheit temperature unit selection, perpetual calendar function, let you travel more confidently; With stopwatch function, allowing you to accurately capture game data; Speed reminds you to drive safer; Wide range of applications, suitable for 4-40 bicycles / electric vehicles, even motorcycles; speed comparison instructions, keeping abreast of speed changes; Imported sensors, stable performance, precise speed, ultra-wide working temperature; Room temperature display, clock function; Auto-sleep function Stylish exterior light design, rainproof design, it will wipe clean, easydisassemble;[Details of specific functions]1. SPD CURRENT SPEED / Driving Speed.2. ODO ODOMETER / total mileage (0-99999 km/mile).3. DST TRAVEL DISTANCE/one way mileage.4. MXS MAXIMUM SPEED / driving speed.5. AVS AVERAGE SPEED / Average speed.6. TOTAL OTM TRIGGER TIME / cumulative travel time.7. TRIGGER TIME TM / Single Trigger Time.8. RTM RIDING ALL TIME / Single journey time.9. CLK CLOCK (12H / 24H) / Clock.10. SW CHRONOMTRE / Stopwatch.11. TEMPERATURE / Measure the external temperature function (-20C ~ 90C)12. HIGH HIGH TRIGGER TIME / driving time counted.13. TRIGGER DURATION DN DN / Accountdriving time countdown.14. TRIP UP TRAVEL DISTANCE / mileage calculation.15. DISPLACEMENT DN TRIP DISTANCE DOWN / Accountmileage countdown.16. + - COMPAPATOR / Index