It can be attached to any of the following model of Raspberry pi A+ B+ Pi2 Pi 3
It is interfaced to I2C bus of the raspberry pi
Necessary software support is provided to interface this RTC module to the raspberry pi
Socket provision is made to add CR2032 battery incase you need RTC to run during power OFF condition of the raspberry pi
Battery is not included in the module you need to purchase it separately incase your application need it