Wide measurement range 0-99.9V.

Mini Red LED display.

Low power consumption.

Refresh speed: 500ms.

Snap on design for easy installation.

led color: Red.

Refresh speed: about 500ms/each time.

Power supply:DC 4.5v - 28V. Working temperature: -10℃ - 65 ℃.

Red line: Power Supply + 4-30V

White line: Measure Voltage + 0-100V

Black line: Common negative

Package Included:

1 x DC 0-100V 3-Wire Mini Digital Voltmeter Tester Red LED Display Panel 0.56 inch

Instructions/schematic are NOT included. We don't provide technical assistance please make sure that you are familiar with the product before purchasing.