??Features:
100% DIY.
LED display voltmeter.
With cigarette lighter power socket.
2 USB 5V/2.1A sockets.
Small size and excellent performance.
Easy to install， convenient to use.
Widely used for car， truck， motorcycle， for ATV and boat， etc.

Specifications:
Color: Black
Material: ABS
Voltmeter socket dimension: Approx. 2.8 * 1.6cm (Screw Diameter * Height)
Power socket dimension: Approx. 2.9 * 4cm (Screw Diameter * Height)
USB socket dimension: Approx. 2.9 * 4cm (Screw Diameter * Height)
Three hole tent dimension: Approx. 15 * 7.8 * 5cm (L * W * H)
Voltage: DC 6-30V
Package Size: 21 * 10 * 5cm / 8.3 * 3.9 * 2in
Package Weight: 150g / 5.3oz

Package List:
1 * LED Voltmeter
1 * Cigarette Lighter Power Socket
1 * USB Sockets
1 * Hole Tent