2 '' 52mm 12V Car Digital Voltmeter Volt Gauge Meter Digital 20 LED White 8-16V Digita Voltmeter Volts Volt Specifications: Unit Type: V Size: 2 inch gauge or 52 mm diameter Power: Professional 12V, IGN MAX 0.3A Reads: 7.5~20V Accurately of Digital Type: Every 0.1V LED 20 pcs: Red x 6 pcs, Yellow x 4 pcs, Green x 10 pcs Direct Analog: 8~10.5V, 11~12.5V, 13~18V Accurately of Analog LED Type: When during 8~18V, every 0.5V light 1 LED lamp. Features: Fitment: Fit most of 12Volt gasoline vehicle. Fit 2" or 52mm diameter gauge pods holder. Color: Smoked Tint lens when "off",Color LED display when "on". This digital gauge is black with a bright blue LCD reading. The gauge will both show the digital and analog LED. Professional installation is Highly Recommended. Package Includes: 1 X Voltmeter 1 X Instructions in English