Auxiliary functions:
1. Bus/mile conversion;
2. Wheel girth preset;
3.LCD automatic clear screen.
Bicycle code meter (odometer, bicycle meter) is applicable to all the new functions of steel ring bicycle and electric car

Special reminder: non-contact, never damage your car, easy to install
1. The watch head seat is installed on the handlebar;
2. Put the AG13 button battery into the battery slot on the back of the watch head and initialize the code table data (see the following instructions for details);
3. Insert the head into the sliding slot of the head seat;
4. The sensor is installed on the forklift, and the head part is directly opposite the spoke;
5. The induction magnet is mounted on the spoke bar, aligned with the induction head, 1-3 mm apart;
6. Fix the cable with nylon strap;
7. Check whether the above head seat, sensor and induction magnet are installed firmly. This package contains the necessary rubber gaskets and detailed instructions in both Chinese and English to ensure your installation is successful.
Okay, now it's ready to use!

How do I initialize the code table data?
According to the actual situation, generally only one parameter of the circumference of the tire can be set for normal use. For more functions, please refer to the Settings in both Chinese and English

Set the function

1. Install the battery into the battery tank on the back of the watch head;
2. Right click to enter the tire circumference setting within 15 seconds;
3. Refer to the wheel diameter and circumference comparison table. For example, the wheel circumference of 28 models is 224cm. Press the left button to set the three values to 224 (the machine is preset to 208cm)
4. Right click to confirm;
How do you return a bunch of things? Don't worry about it, just right click on it and try it out. For more functions, please refer to the Chinese and English book Settings.

Why use a bicycle speedometer?
1. Fitness and sports assistant -- in the industrial age, it is lucky to be able to ride bicycle frequently, because health is everything. Cycling is a good aerobic exercise, using this equipment can effectively regulate the cycling time, mileage, speed.
Enrich your life -- ride to work, school, and play to see how far you've ridden, what your average speed is, and what your top speed is Isn't that interesting?
3. Solve the embarrassment of electric vehicles -- there are no odometers (only speedometers and meters) for electric vehicles nowadays, because they know how far they have been riding, and forget how far the battery can support them, leading to the loss of electricity in the middle of the journey and pushing them home.

* the stopwatch is provided with a detailed installation and operation manual (for exports only)

The installation is very simple: the magnet is installed on the steel wire, there is a screw fixed; The double-sided adhesive probe is installed on the front fork, and then tied with the plastic binding belt. It is important to keep the probe and the magnet at an induction distance of 1mm. The watch seat is installed on the head of the cage, there is a screw fixed, and then the watch head is installed on the watch seat.

548A and 548B watches, 548B watches without thermometers at a price of 0.5 yuan per piece, 200 pieces per piece, 1 piece from the start

Display function                             
1. Real-time driving speed

Total mileage

 3. Single trip mileage

 4. Maximum driving speed

5. Average speed;

 6. Driving time;

7. Number of wheel turns;

8. Clock (12H/24H);

9. Cyclic display of the above functions;

10. Comparison tips;

11. The choice of kilometers or miles;  

12,Wheel circumference setting (0mm-9999mm) for ultra-wide range;

13. Original digital Settings;

14. Environmental temperature display (for reference only, not comparable to thermometer)

15,Maintenance reminder setting;

16. Automatic switch (if the vehicle is not running for 300 seconds, it will be shut down, but the clock remains).

The following is the manual of traditional Chinese version.