Our item come without battery !!!!! NO Battery !!! Goods send as First photo you see, pls check !!
Overview: 1. Raspberry Pi DS3231 foreign high precision clock module 2. Pay attention to the module Arduino motherboard can also be used. 3. The module itself can be adapted to 3.3 V and 5 V system, no level conversion, it is super convenient!
Features: 1. to 40â„ to + 85â„ temperature range, timing accuracy in a plus or minus 5 PPM (+/- 0.432 SEC/day) 2. To provide continuous timing battery backup 3. Low power consumption 4. The device compatible with DS3231 encapsulation and function 5. Complete the clock calendar function including the second, minute, time, week, date, month, and year, and provide the valid until 2100 leap year 6. Two calendar clock 7. 1 Hz and 32.768 kHz output 8. Reset the output and input button to tremble 9. High speed (400 KHZ) the I2C serial bus 10.+ 2.3 V to + 5.5 V power supply voltage 11.The accuracy of plus or minus 3â„ digital temperature sensor 12.- 40 â„ to + 85â„ temperature range
Package Included: 2 x Precision DS3231 RTC Module Memory Module for Arduino Raspberry Pi 2PCS Precision DS3231 RTC Module Memory Module for Arduino Raspberry Pi