Moeller 035727-10-1 dash mounted electric fuel gauge is designed for top mounting in aluminum, plastic, or stainless steel fuel tanks on all types of marine vessels. The dash-mounted electrical gauges feature an illuminated back dial with bold graphics for accurate readings-day or night. The fuel tank level is displayed by a contoured analog pointer on a calibrated dial. They are compatible with all Moeller and most US Ohm range sending units (sender unit is sold separately).Features Compatible with all Moeller and most US Ohm range sending units Designed to fit standard 2 in. instrument dash mounting hole Installation diameter 2-1/16" Functions: Fuel tank level (E - 1/2 - F) Exceeds current NMMA and ABYC specifications Sender unit not included/must be purchased separately Specifications Gauge Diameter: 2-1/16" Gauge Style: Analog Gauge Face Color: Black Gauge Text Color: White Pointer Color: White Bezel Color: Chrome Sender Ohm Range: 240 ohms empty, 33 ohms full