[Wide Application]Universial voltage gauge meter, fit for 12V 24V Cars, Motorcycles, RV, SUV, Off-road, ATV, Boat, Marine, Ship, Truck, Tractor etc. [Accurate & Easy to Read]Accuracy is 0.1V, provide an accurate reading to avoid car battery damage. Digital voltmeter display- precise 3-bit LED digital display, this 12v voltmeter gauge is very easy to read. [Must-have Car Accessory]Timely grasp the state of battery voltage between full and discharged by this dc voltmeter, real time monitoring of battery voltage, easy to know the status of the battery. [Simple Installation]Plug and play. Easy to install and use, screws and insulated terminals are included, just use a screwdriver (not included) to install. Material:plastic colour:Black Package Contents: 2 x Voltage Gauge Only the above package content, other products are not included. Note: Light reflection 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.