This module is based on Maxim's DS3231 Extremely Accurate I2C-IntegratedRTC/TCXO/Crystal. With the help of all the necessery pinouts, interface it with your microcontroller or arduino to make a real time clock with accurate Seconds, Minutes,Hours, Day, Date, Month, and Year with Leap YearCompensation Valid Up to 2100.
This product also has Extremely Accurate RTC + many other Goodies Only 1570 taka !
Man, you must be some bloody ripper !!