Cyber Tank Function

1.Time, date mode, calendar , automatic adjustment of the week
2. 12/24-hour clock
3. Wrold time and daylight-saving time
4. 4 groups of alarm clocks, 1 group of snoozes,
5. hourly timekeeping functions
6. 60-minute countdown function
7. Stopwatch function
8. LED lighting function, with manual lighting and automatic lighting functions
9. Waterproof 50M