12V 24V Battery Voltage Meter, Waterproof DC LED Voltage Gauge Meter, Battery Monitor with Touch Switch for Car, Motorcycle, RV, Marine Boat, Truck, ATV

This marine voltmeter features a waterproof design, ensuring safe use even in humid environments. Furthermore, this mini voltmeter is suitable for 12V/24V use in cars, motorcycles, RVs, SUVs, off-road vehicles, all-terrain vehicles, boats, trucks, tractors etc.

• 【Real-Time LED Voltage Display】Features a precise, bright 3-digit Red LED digital display that makes reading voltage effortless, even in direct sunlight or total darkness. It effectively monitors your vehicle's battery health in real-time, helping you prevent unexpected breakdowns or dead batteries
• 【Waterproof Durable Design】Built with high-quality, eco-friendly, and flame-retardant ABS plastic. The fully sealed design ensures outstanding waterproof and dustproof performance, making it highly reliable for harsh outdoor environments like marine boating, off-roading, or rainy days
• 【Reverse Polarity Protection】Equipped with a built-in safety circuit that provides reverse connection protection. The voltmeter will not short circuit or burn out if the positive and negative poles are accidentally wired backward, ensuring maximum safety for your vehicle's electrical system
• 【Universal Compatibility】Supports DC voltage monitoring strictly within the 12V to 24V range. This compact and practical gauge is universally applicable to a wide variety of vehicles, including cars, motorcycles, RVs, ATVs, UTVs, golf carts, trucks, travel trailers, and marine boats
• 【Meet Different Mounting Needs】The 12V round voltmeter comes with an installation panel and a durable nylon nut. It can be mounted independently into a standard 30mm (1.15") diameter hole or secured using the matching panel, providing flexible options to suit your specific installation needs. Easy wiring ("+" to positive, "-" to negative) gets you set up in minutes