Feature:

Display Color: Red， Yellow， Blue

The black line connected to the public negative electrode， red line connected to positive pole of power supply， yellow line connected to positive pole of tested power supply

Material: Plastic Shell

Display Digit: 3

Measuring Range: DC 0-30V
Working voltage: 4-30V

Display Size: Approx 2.3cm x 1.2cm / 0.91" x 0.47"

Overall Dimension: Approx 3.4cm x 2.2cm x 2cm / 1.34" x 0.87" x 0.79" (L x W x H)

Cable Length: Approx 20cm / 7.87"

Package Included:

1 x Digital LED Display Voltmeter