Voltmeter Mini 0.28inch 0-100V Display Three Wire type

small  voltmeter module.

Very easy to use.

LED display.

100% Brand new and high quality.

Red Wire: +5V power

Black Wire: Common Ground of Power

White or Yellow: Positive of the measurement voltage source.

Ideal solution for battery voltage monitoring and other DC voltage measurement applications. Works for 0-100V DC measurement range. It require an external power supply to derive its own operating supply. 

Display Size : 0.28inch

Measurement Range : 0-100V DC

Red Wire: Positive of the Power supply

Black Wire: Negative of the Power supply and also used as the negative of the measurement voltage source

White or Yellow: Positive of the measurement voltage source.