DS1307 Tiny RTC module

Note: The module is without battery (battery type is LIR2032). 

Description 
The DS1307 is a professional Real Time clock module, which is designed for nbsp; Arduino Tiny RTC. The module comes fully assembled and pre-programmed with the current time. The DS1307 is accessed via the I2C protocol, and is a great accessory for electronic enthusiasts. 

Features 
- Color: as shown in the pictures. 
- Material: durable hard circuit board. 
- 100% brand new and high quality I2C DS1307 Real Time Clock Module. 
- Designed for Arduino Tiny RTC. 
- Two-wire I2C interface. 
- Hours: Minutes: Seconds nbsp; AM / PM. 
- Day month date - year. 
- Leap year compensation. 
- Accurate calendar up to 2100. 
- DS1307 based RTC (no battery included) with LIR2032. 
- 1Hz output pin. 
- 56 bytes of non-volatile memory available to user.