Parameters
Support display: time/year/date/weekday/am/pm
Lightness: auto / manual adjustment
Lightness of manual adjustment: 4 levels
Time format: 12H/24H
RTC chip: DS3231
Accuracy: 2ppn, annual error within 1 minute
Backup battery: CR1220 (may not included)
Working voltage: DC 5V
Interface specification: type-C
Packing List
1*VFD Clock
1*Type-C Cable