Color Red Brand Tengying Model TY RTC Quantity 1 Piece Material FR4 Chipset PCF85911 / DS3231 English Manual / Spec No Other Features Functional overview: RTC is used to save time It is recording data is very practical module this module uses Fala capacitance higher cost not easy to wear The characteristics of the product: the internal integrated DS3231 oscillator circuit lower power consumption Apply to save the power down time recording data Micro module mini size I2C communication simple configuration With cascade auxiliary module I2C can reuse Fala capacitance as a backup power supply better performance Packing List 1 x TY RTC Module