1.Description:
  This electronic kit uses high-precision clock chip DS3231 for timing, the time is accurate, and the annual error is within 1 minute. With backup battery, it can maintain the running time after power failure to ensure.

  With temperature display, time display, month and day display, with one way alarm clock function, backlight. The brightness can be adjusted automatically or manually. The circuit structure is simple and the success rate is high.

2.Parameter:
  Work Voltage:DC 5V
  Work Temperature:-25℃~85℃
  Work Humidity:5%~95%RH
  Size:97x46x19mm