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0.56'' 2Wire DC4.5V-30V Blue LED Voltage Meter Module

This DC Voltage Meter with DC4.5-30V range. It is easy to read, install and use and it is self-powered version and supports Reverse polarity protection.


  • When the voltage is under 10V, there will 2 readings after decimal point, which mean the accuracy is 0.01 when it is under 10V; when it is above 10v, the accuracy is 0.1
  • No power supply needed
  • Measure Voltage: DC 4.5-30V two-wire access


  • Display: Three digit 0.56" Blue LED
  • Refresh Speed: Approx 300ms
  • Highest Input: DC 30v (higher than 30v risks burning up)
  • Minimum Input: DC 5v (below 5v will cause no display or display errors)
  • Minimum Resolution: 0.01v (<10v)/0.1v(>10v)
  • Resolution: 1%+-1digit
  • Working Temperature -20℃~65℃
  • Size: Approx. 48mm x 29mm x 22mm(L*W*H)
  • Hole Size: Approx. 46*27mm
  • Current Consumption: <23mA


  • 1 x 0.56'' 2Wire DC4.5V-30V Blue LED Voltage Meter Module 
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