SPECIFICATIONS

10pcs DS3231 High Precision Clock Module RTC Real Time for Arduino Raspberry Pi

Features:
Temperature range of -40 to +85, timing accuracy is maintained at ± 5ppm (± 0.432 sec / day)
Provide battery backup for the continuous timing
Low power consumption
Footprints and functionally compatible with the DS3231
Complete clock calendar functions include seconds, minutes, hours, day, date, month and year timing , provide valid until the year 2100 leap year compensation
Two calendar alarm
1Hz and 32.768kHz output
Reset output and input buttons Debounced
High-speed (400kHz) I2C serial bus
+2.3 V to +5.5 V Supply Voltage
Accuracy of ± 3 ° C Digital Temperature Sensor
-40 to +85 operating temperature range
16-pin SO (300mil) package

Package Included：
10pcs DS3231 High Precision Clock Module