2Pcs DC 4V-100V Digital Display LED Voltmeter Car Waterproof Voltage Display Battery Tester for Motorcycle, Boat, Truck, Caravan, Marine (Green)

Easy Installation: Simply install the voltmeter in the 30mm hole on the panel; it's small and easy to install. LED Digital Voltmeter: Features a 3-digit digital display that can monitor and display real-time vehicle voltage data. The measurement range is 4V to 100V DC; it can capture the battery's state between full charge and discharge in real time. The maximum measured voltage should not exceed 100V. Fully Waterproof and Dustproof: The voltmeter is fully waterproof in all directions, and comes with a 90cm waterproof cable for easy installation and use. Operating Temperature: -10°C to 65°C. Wide Compatibility: Widely used in automobiles, motorcycles, bicycles, ships, test equipment, voltage regulators, etc. LED Light + Material: The soft LED ambient light is easy to see at night. Made of high-quality ABS plastic, it is waterproof and durable, with reverse polarity protection to prevent damage to the circuit. Features: Measurement range 4V to 100V DC. The maximum voltage should not exceed 10V. The LED voltmeter can monitor and display vehicle data in real time. It is fully sealed and waterproof with a 90cm cable. Operating temperature: -10℃ to 65℃. Reverse polarity protection prevents damage to the circuit. Panel mounting requires drilling 30mm holes. Product Specifications: Name: DC V-100 Car Digital Display Voltmeter; Voltage Detection; Current: <20mA; Tolerance: ±1%; Display Mode: Three round digital tubes; Refresh Rate: 300ms/time; Temperature: °C to °C. Overall dimensions: 33 mm x 19 mm. Hole diameter: [Missing information]. Net weight: 20 g. Packaging: 2 x DC car adapters.