The Voltmeter needs isolated power supply power supply range is DC 3 5-30v
High precision : the measurement range of 0-33 000V
With reverse polarity protection to avoid burning out
Wiring: red: power supply+ (DC 5-30v); black: power supply -, measure - ; Yellow: measure +
Any queries should you have please feel free to contact US！

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 2.6 inch
Height : 1.2 inch
Length : 4.1 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 4.32 ounce (View shipping rates and policies)

ASIN : B015R3PMFC