Large screen design, super wide working temperature! Inlet sensor!
Highlight white light display, double-row four-window display, color box. With Chinese instruction code meter, use a 2032 button battery
Note: a usable car requires wheels between 10.00cm and 99.99cm in diameter (for a 4-inch to 40-inch car)

[main features]
This stopwatch features high brightness and white light at night, with high brightness, average light source and soft light.
Both wheels and two sets of data can be set at the same time.
The dual line four window display makes it easy to view data without frequent adjustment of the button.
With a high capacity lithium manganese battery, one battery is equal to the capacity of 4.3 ordinary batteries.
Simpler installation and convenient setting; Watch head separated design, can be removed at any time, portable.
The end of the spindle can be rotated to facilitate the installation of horizontal/vertical handles.
[main functions]
The dynamic display of mileage, cycling time, real-time speed, travel time, calories consumed, current time and current date;
The maximum speed, average speed, total running time, total mileage, current temperature, the number of revolutions per minute in the car and wheels are available at any time.
With night light function, high brightness and cold light source are adopted to make your cycling information at a glance.
With the choice of metric/English units, suitable for different users' interests at home and abroad;
Ending battery low voltage prompts allow you to keep track of the meter at all times.
Ending/maintenance tips to ensure your car has the best performance and life;
With 12/24 hour system, Celsius/Fahrenheit temperature unit selection and calendar function, you can travel with more certainty.
With stopwatch function, you can get accurate information of the match.
Marathon has the function of speeding reminder to make you drive more safely.
Versatile and suitable for 4\"-40\" bicycles/electric cars and even motorcycles;
(3) control the state of speed change at any time by adding and decelerating dynamic instructions;
The inlet inductor is adopted for steady performance, accurate speed and ultra-wide working temperature.
Terminal temperature display and clock function;
Terminal automatic shutdown function
Stylized exterior light design, waterproof design, portable and easy to disassemble;