["Description\nWorking voltage: DC12V\nResistance: 8-566ohms\nconnect cable:\nBlack: + 12V positive\nGreen: -12V negative\nYellow: sensor singnal input\nLED display :one Red ,one Yellow ,eight blue\nDimensions: 48x28x19mm(LxWxH)\nCutting Size: 46×26mm\n\nthis meter have adjustable potentiometer , it can not the same for time use with original car oils scale\nFill Up the for Tanks, adjust the potentiometer until led meter all bright , and until do nofor t have any oil in for tanks adjust the meter led all crushing out .\n \nRed lights is power supply Indicator light ,the yellow Turn off mean no oil , 5-6 is bright together the other onebyone bright\n\nMust cooperate with oil sensor (float).Cannot be used together with the oil scale.\n\nPackage include :\n1pc 12V UnversalMotorcycle Car Oils scale meter LED Oil Fuels level Gauge Indicator"]