Sell 2 Mini Red LED Digital Voltmeter Volt Meter Panel 4.5-30V best price

100% new Compact and easy to install Dimension: 4.7x2.9x1.8 mm Precision: 1% refresh rate: 500mS Action: 4.5-30V electricity to work current: less than 60mA Display color: red Shell color: black Set of 2 pieces Note: without protection against reverse connection, please connect the red cable to the positive pole and the black cable to the negative pole. Material: PCB + PVC + copper Package Contents: 2 x mini voltmeter Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.