REES52 Clock Module, DS3231 High Precision RTC Clock Module Real Time Memory Module RTC Hwclock for Compatible with Raspberry Pi with Battery

Features

• The RTC clock module is of complete clock calendar functions include seconds, minutes, hours, day, date, month and year timing , provide valid until the year 2100 leap year compensation
• The RTC clock module is of ±3℃ digital temperature sensor, and the timing accuracy kept at ± 5ppm (± 0.432 sec / day)
• The RTC clock module has the characteristic of low power consumption, with 1 Hz and 32.768 kHz output
• to provide continuous timing battery backup , high speed (400 KHZ) the I2C serial bus