Nikou Clock Module - 4PcsSet DS3231 High Precision RTC Clock Module Memory Module for Raspberry Pi

Features: ?HIGH PRECISION?Timing accuracy kept at ± 5ppm (± 0.432 sec / day). Accuracy of ±3? digital temperature sensor. ?FUNCTION?Complete clock calendar functions include seconds, minutes, hours, day, date, month and year timing , provide valid until the year 2100 leap year compensation. ?FEATURES?RTC Clock Module has the characteristic of low power consumption, -40 °C to +85 °C temperature range. ?CONVENIENT TO USE?The module itself can be adapted to 3.3 V and 5 V system, no level conversion, it is super convenient. ?PACKAGE INCLUDED?DS3231 Precision RTC Module Memory Module x 1 (battery are included) Specifications: Model:DS3231 Temperature range: - 40~85? Weight: 2g Package included: 4 x RTC Clock Module( battery are included)