Feature:1. Voltmeter with black dial and smoked lens, universal for all types of modified 12V vehicles.2. LED digital display, total 20 LED showing with red, green, yellow color, easy to read even during the night.3. Adopts high quality movement for accurate electronic reading, and the readout color is blue.4. Cool and bright led light, soft lighting, protect your eyes, easy operation, can be used conveniently.5. Comes with 1.94ft power wire harness and installation instructions for quick and easy installation.Specification:Item Type: Digital Voltage MeterMaterial: ABSMain Color: BlackDiameter: Approx. 52mm/2inReadout: Blue Digital LEDPower: 12V/Maximum 0.3AVisual Angle: 180Fitment: Universal for 12V vehiclesHow to Use:1. Connect the power cord to the meter.2. Black represents the negative pole, it can be used by connecting the negative pole of the vehicle..Package List:1 x Voltage Meter1 x Wiring Harness 1 x ManualNote:Professional installation is highly recommended.