RTC Clock Module, High Precision RTC Board Real Time Clock Module Memory Module for Raspberry Pi4pcs

[Compatibility]: The RTC clock module can be adapted to 3.3 V and 5 V system without level conversion [Compatibility]: The RTC clock module can be adapted to 3.3 V and 5 V system without level conversion [Compatibility]: The RTC clock module can be adapted to 3.3 V and 5 V system without level conversion [Accuracy of ±3℃ Digital Temperature Sensor]: Within -40 ° C to +85 ° C temperature range, timing accuracy is maintained at ± 5ppm (± 0.432 sec / day), easy and convenient to use [RTC Clock Module]: Complete clock calendar functions include seconds, minutes, hours, day, date, month and year timing, provide valid until the year 2100 leap year compensation Specifications: Temperature range: - 40~85℃ color: as show Weight: 2g Package included: 4 x RTC Clock Module( battery are included)