Waterproof DC 12V 24V LED Battery Voltmeter, 12V 24V 36V Voltage Measurement Panel, Battery Monitor with Blue Light, Round Digital Voltage Display for Car, Marine, Motorcycle

【Meets Various Needs】The 12V round voltmeter comes with a panel and nylon nuts. These can be installed separately in a 29mm diameter mounting hole or attached to a suitable panel to meet your various installation requirements. 【Blue LED Display】This 12V battery voltmeter with a blue LED is widely used with DC voltages from 12V to 24V. With this digital voltmeter, you can easily monitor your car battery's voltage status in real time, especially in dark environments. 【Waterproof and Convenient】This marine voltmeter is waterproof and can be used safely even in humid environments. This mini voltmeter is also suitable for 12V and 24V cars, motorcycles, RVs, SUVs, off-road vehicles, ATVs, boats, trucks, tractors, etc. 【Measuring Range】This battery voltage monitor has a rated voltage of 8-48V DC with an accuracy of 0.1V. Thanks to the precise 3-digit LED digital voltmeter, you can better monitor your car battery's voltage, helping to extend its lifespan. 【Easy to Install】This 12-volt battery monitor comes with a set of cables, two mounting screws, a matching panel, and a nylon nut for easy installation and use.