This digital gauge displays the voltage. With high brightness LED， there is no difficulty in seeing the display.

Features:
This digital gauge displays the voltage.
With high brightness LED， there is no difficulty in seeing the display.
Powered by cigarette lighter charger.
Constantly monitor battery voltage， extend and protect the battery and engine life.

Specification:
Color: black
Material: ABS
Voltage: DC 6-30V
Dimension: Approx.2.8 * 1.6cm (Screw Diameter * Height)
Package Size: Approx.9.3 * 4.3 * 3cm / 3.6 * 1.7 * 1.2in
Package Weight: Approx.13g / 0.45oz

Package List:
1 * Voltage socket