Power supply: DC3.7V-5.5V
Special reminder: If you use it for a long time, it is recommended to use a DC power supply, because if you use ordinary 3 AA batteries, the power consumption will be faster and it is not suitable for long-term use.
Features:
1. Normal walking time, time and minutes display.
2. Hours and minutes are independently adjustable;
3. Time seconds correction function.
4. You can fine-tune the speed of the clock, 0–9 gears can be adjusted, the default is the 5th gear
5. Two-way alarm clock, and the switch of the alarm clock can be set independently.
6. The hourly reminder function can be turned off and opened.
7. Countdown function, can realize the countdown within 99 minutes, and alarm when the countdown ends
8, the stopwatch function, can realize the stopwatch function, can pause the stopwatch, clear the stopwatch.
9. The counter function can be realized, and the number of keys can be recorded. The number of external pulses can also be recorded.
Package includes：
1×4 Bits Digital Electronic Clock DIY Kits