This car digital display voltage gauge and 2 pieces of insulating terminals in one package in total, which can accurately measure the voltage, and well protect the whole circuit, giving you a safe and reliable use experience

The LED digital voltage meter has a big screen, so you can see the numbers clearly from the digital voltage meter screen; Besides, the numbers on the screen are blue, a colour that accentuates itself against a black background, making you notice it at a glance

The round voltage display meter has a simple operation; You need to pick a suitable spot in your car, and use a tool to open a 29 mm/ 1.14 inches aperture, then connect this voltage meter to the positive and negative terminals of the battery

This waterproof digital voltage tester is mainly made of fire retardant PC material, which has fireproof, waterproof, moisture-proof, wear-resistant and other advantages; This material is also reliable and sturdy, not easy to break under pressure, it has a long service life