As a precaution to COVID-19, in-store purchase is NOT available but you may place your order online then pickup your order.
Shipping of online order is unaffected. Delivery may be delayed due to carrier backlog. Sorry for the inconvenience.


  • Wide operating voltage RANGE: 2-5.5v
  • Operating current: 2.0V/hour<300nA
  • Working temperature: -40℃ +85℃
  • Locating hole diameter: 3.1mm Battery: CR2032 Lithium Cell 3V Button cell (included)
  • Current: 260mAh
  • PCB size: approx. 43 x 23 x 1.2mm

Wiring Manual:

  • VCC +5V/3.3V
  • CLK P02


  • VCC and GND cannot be picked up, or it will burn the chip.
  • 51 MCU P0 port need to connect the pull resistance, if you do not have a single chip connected to the pull resistance, you can connect the data cable to other ports.
  • Please allow 1-3mm differs due to manual measurement.

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