✍ This Arduino Tiny RTC I2C module incorporates the DS1307 I2C real time clock IC and the 24C32 32K I2C EEPROM storage, keeps accurate time for years using a tiny coin-cell, and is very simple to connect to your Arduino project.

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▼ Specification :-
DC 3.0 - 5.5V input voltage
I2C interface
DS1307 based RTC with CR2032 battery (non-Rechargeable Battery included)
Backup by AT24C32 32Kbit
DS1307, AT24C32 can work singleness
-55°C to +125°C temperature range
±0.5°C accuracy from -10°C to +85°C
Dimension: 28x25x8.4mm
Weight: 6.3g