Intckwan DC 12V 24V LED Digital Voltmeter Waterproof Voltage Meter Battery Tester for Car Boat Marine Vehicle Motorcycle Truck Camper ATV with Blue Light Screen Touch Display Panel

【Precise and Reliable】: CE, ROHS certified, high quality material and strict manufacturing process ensure the accuracy of battery status, qualified as a reliable server, avoid frequent voltmeter replacement, safer for driving. 【 Reverse Connection 】This 12V voltmeter is easy to read, can monitor the battery voltage in real time, and has reverse connection protection, so you can easily understand the battery status. Check the battery voltage condition between full charge and discharge of this DC voltmeter. 【 Widely used 】the voltage measurement can also be used for other products. It applies to cars 12V 24V, motorbikes, RVS, SUV, off-road vehicles, boats, trucks, tractors, transformer automation, power distribution automation, test equipment, voltage regulators, etc. 【 Real-time voltage display 】 The 3-digit digital LED display is adopted to facilitate the reading of the waterproof voltmeter. It shows the real-time monitoring of battery voltage and makes it easy to carry so that you can understand the condition of the battery and provide timely assistance. Maintains the voltage status of the battery between fully charging and discharging that voltage into DC. 【 Easy to install 】 3cm opening size, mini design – simply plug into your car. Features reverse connection protection to prevent wire damage. Waterproof and durable with a long service life.