DescriptionThis marine bost gauge is specially designed to measure the fuel level of the marine boat. This item is fully electronic with LED back light, which allows for easy viewing under dark conditions. The measurement range is E-1/2-F. Suitable for most kinds of fuel sensors, and display the liquid level of the fuel tank.Features- With LED backlight, numbers and pointer clearly show the voltage and for easy reading in the darkness. Upgrade machine core ensures more accurate and faster measurement results. - Specially designed to measure the fuel level of the marine boat. The measurement range is E-1/2-F (E means empty, 1/2 means half fuel, F means full fuel). - Suitable for most kinds of fuel sensors, and display the liquid level of the fuel tank. - 2 inches/ 52 mm in diameter, 12v general type volt gauge and meter, applicable to most 12V generators, marine boats, engineering vehicles, racing cars, etc.Specifications- Color: Black - Size: 7x7x6cm - Material: Plastic - Installation diameter: 52mm/2.0" - Measurement range: E-1/ 2-F (E means empty, 1/2 means half fuel, F means full fuel). - Installation method: Lock the gauge to baseboard directly or use the holder - Voltage: 12V