1. Time display function, display time, minute, second, month, day, week, 12/24H, initial value is（2020-1-01 12:00 00 WED ）
2. Alarm function
3. Countdown function, the initial value of (0:00.00,23:00(0FF)
4. Stopwatch function, the initial value is (0:00’000, (0FF)
5. Step counting, exercise time, pace, mileage, calories consumption
6. Altitude, relative altitude
7. Air pressure curve, air pressure, air pressure curve view (24H)
8. Exercise time record, movement relative height view.
9. Scuba diving Mode, NDL time, depth,Temperature,diving speed.
10.Free diving Mode
11. Diving log (99 records)
12. Compass calibration function
13. Low-power reminder
14. Backlight function
15. 4 key functions
16. Use the Battery CR2450

Maintenance

1. Storage: please place the product in a cool place, do not place in dangerous environment, extrusion, pressure, high temperature, low
temperature, high humidity, easy to fall, hard hit, etc. .
2. Do not remove the watch case by yourself
3. After use: especially after use under water or sea water, be sure to use clean water to soak and rinse.
The cleaning method is: remove the watch from the hand, gently grasp the strap and place the entire product in the water.
Soak in water for about three to five minutes, then shake gently.
Let the water flow into the slit to clean the salt.
If there are obvious stains, gently rub with your hands.
Do Not Bang in the Water.
Do not use a strong water column.
Do not use any cleaning solvent other than water.
After cleaning, put it back on your hand or put it in a cool place.