Waterproof 12V Blue LED Digital Car/Auto Voltmeter Motorcycle Battery Monitor
1, Power Supply: DC 3.0V - 30V2, Range: 3.0V - 30V3, Digit: 3 Digit4, LED Display Color: Blue (0.56"LED)5, Accuracy: +/- 1%6, Operating temperature: -10' - +65'6, Size inc edge: 50mm X 30mm X 27mm7, Packaging: Plastic bagsPackaing:1 x Blue LED Voltmeter