Feature●【Adjustable Signal】 0-190ohm, 240-33ohm, 240-30ohm, 0-180ohm, 10-180ohm.●【8 different backlight adjustable】Red-green-blue-white-yellow-yellow green-orange-purple.●【Marine Fuel Level】Marine Fuel Level Gauge has ultra-wide working voltage design( long-term operating voltage: 9-32V.●【IP67 waterproof and Dustproof】IP67 waterproof and Dustproof grade,316 Stainless Steel.●【high accuracy】The instrument has the characteristics of high accuracy, long service life, good seismic resistance, water and fog resistance, etc.Description