This is the DS1307 Real Time Clock developed by one of our designer.
Two wire I2C interface.
Hour:Minutes : Seconds AM/PM.
Day Month, Date – Year.
DS1307 based RTC with LIR2032 battery (Battery include).
1Hz output pin.
56 Bytes of Non-volatile memory available to user.
The DS1307 is accessed via the I2C protocol.
The module comes fully assembled and pre-programmed with the current time.