10PCS DS3231 Real Time Clock Module RTC Clock Memory Module 3.3V/5V for Raspberry Pi

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 ^^ The RTC clock module itself can be adapted to 3.3 V and 5 V system, with -40 C to +85 C temperature range, easy and convenient to use ^^ Raspberry pi highest precision clock module DS3231, note board can also use this module.