Walfront 4 Pcs High Precision Clock Module, Real Time Clock Module Memory Module for Raspberry Pi 3.3 V-5 V ds3231 rtc

• ☆ Application: DS3231 real time clock module itself can be adapted to 3.3 V and 5 V system. 1 Hz and 32.768 kHz output. Made of premium plastic and electronic components, this clock module is sturdy, to ensure maximum strength and durability for long lasting usage
• ☆ Multiple Function: Complete clock calendar functions include seconds, minutes, hours, day, date, month and year timing, provide valid until the year 2100 leap year compensation
• ☆ Low Power Consumption: DS3231 real time clock module has the characteristic of low power consumption, battery is included, you will save the energy cost
• ☆ High Accuracy: Accuracy of ±3℃ digital temperature sensor; -40 ° C to +85 ° C temperature range, timing accuracy kept at ± 5ppm (± 0.432 sec / day)
• ☆ What You Will Get: We stand behind all of our them with a 100% product guarantee and promise to give you the best in customer care! If you have any issue about the item, please contact us by e-mail, we will try our best within 24 hours to reply

DS3231 real time clock module is designed with a digital temperature sensor, accuracy is about ±3℃. This clock module can be adapted to 3.3 V and 5 V system, especially for raspberry pi. Specifications: Model: DS3231 Temperature range: - 40~85℃ Weight: 2g Package Included: 4 × RTC Clock Module( battery are included)