Want to keep an eye on your car’s battery voltage while charging devices? This digital dual USB car voltmeter features a bright LED display that shows real-time voltage for your 12V battery system. It also has two USB ports for charging phones, tablets, or other gadgets. Brand new and unbranded, it comes in original packaging—ready to install in your vehicle’s dashboard or panel. Perfect for cars, trucks, RVs, or boats. Helps prevent battery drain, monitor alternator health, and ensure safe charging on the go. Simple wiring, clear readout, and versatile use. A handy add-on for daily commuters, road trippers, or off-grid setups.