Itme Special：
Brand new and high quality.
Without battery.please know it
This is the DS1307 Real Time Clock developed by one of our designer waiman.
The module comes fully assembled
The DS1307 is accessed via the I2C protocol.
Two wire I2C interface.
Hour:Minutes : Seconds AM/PM.
Day Month, Date - Year.
DS1307 based RTC without LIR2032 battery
1Hz output pin.
56 Bytes of Non-volatile memory available to user.
Size:2.9cm x 2.6cm - 1.14inch x 1.02inch.
Package included：
5 x AVR ARM PIC 51 New RTC I2C DS1307 AT24C32 Real Time Clock Module for Arduino