RYSJM | 7 colors LED Backlight 52mm Fuel Level Gauge + Aalrm Light 240-33ohm Fuel Gauge + Fuel Level Sensor For Oil Tank Level

Product Specifications:Operatingvoltage: 9-32VDC Operating current: Operating temperature: -30- 80C Storage temperature: -40- 85C - 7 Color Backlight - work on DC 12V24V - fit for diesel, gasoline Car boat yacht etc - signal: 240-33ohmConnection1 Black : Ground(-) 2 Red: 9-32VDC(+) 3 Blue: Signal 4 Yellow : BacklightPackage Include:1 x Fuel Level Gauge 1 x SensorWarning light:When the fuel level is lower than 13%, the warning light will flash~Setting :1. Short press the button to change the backight color Backlight sequence Red(default)→Green→Blue→White→Yellow→Cyan→Purple→(Auto). Auto: The backlight color switch every 1 minute, cycling through the above sequence. 2. How to adjust Please follow sequence， 1. connect to the power supply to light up the backlight 2. Hold the button on the back of the meter for 3 seconds to enter the setup mode, the backlight will flash, and the pointer will stay at the E position, Then , tap the button lightly, and the pointer will move to the different positions , the different positions of the pointer represent the parameters of different sensors as shown in figure G , Data is saved 3 seconds after no key operation , and the backlight is always on.