The RTC clock module provides us with accurate real-time time and an accurate time reference for the electronic system. It is able to count the year, month, day, hour, minute, and second.
Specifications
Connections: RJ11 4P4C
Power: 3.3V
Connections type: IIC
Core IC: DS1307
You can find the introduction of this product following this link
https://wiki.elecfreaks.com/en/microbit/sensor/planet-x-sensors/Plant_X_EF05034
