ITEM NAME:Precision New DS3231 RTC Module Memory Module for Arduino Raspberry Pi Blac F5W1 Precision New DS3231 RTC Module Memory Module for Arduino Raspberry Pi Blac F5W1 100% brand new and high quality DS3231 high precision clock module for Arduino Raspberry Pi Pay attention to the module Arduino motherboard can also be used. The module itself can be adapted to 3.3 V and 5 V system, no level conversion, it is super convenient! Color: Black Material: CCL To provide continuous timing battery backup Low power consumption The device compatible with DS3231 encapsulation and function Complete the clock calendar function including the second, minute, time, week, date, month, and year, and provide the valid until 2100 leap year Two calendar clock 1 Hz and 32.768 kHz output Reset the output and input button to tremble High speed (400 KHZ) the I2C serial bus Power supply voltage: +2.3V to +5.5V Digital temperature sensor: +/- 3 Celsius Temperature range: -40 to +85 Celsius Timing accuracy: +/- 5 PPM (+/- 0.432 SEC/day) Package includes: 1 x DS3231 Precision RTC Module Memory Module Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..DS3231 high precision clock module for Arduino Raspberry Pi. The module itself can be adapted to 3.3 V and 5 V system, no level conversion, it is super convenient! Reset the output and input button to tremble.