Tmosphere DS3231 High Precision Real Time Clock Module Board Memory Plate Good Accuracy Modules Replacement for

Description: Clock Calendar Function: The clock calendar functions include seconds minutes hours day of the week date month and year. High Precision: Temperature range is -40 to +85 degrees Celsius. Timing accuracy is±5ppm. (±0.432 seconds/day) Easy to Use: The module itself can adapt to 3.3V and 5V systems without level conversion. Pin Design: High-speed (400kHz) I2C serial bus 16-pin SO (300mil) package. Reset Output: Reset output and button debounce input two calendar clock design. Specification: Material: FR-4. Color: as shown. Battery: 450mAh button battery(included). Power voltage: 2.3V to +5.5V. Output: 1Hz-32.768kHz. Temperature range: -40 to +85 degrees Celsius. Timing accuracy: ±5ppm (±0.432 seconds/day). Size: Approx. 1.3x1.3x1.3cm/0.51x0.51x0.51inch. Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Real Time Module.