Package Contents:1x Fuel Level Gauge1x CableTechnical Specifications:Material: 316L stainless steel front coverColor: Silver Dial + Black Front CoverProduct size: approx.55.4mm*62mmOperating voltage: 9~32V DCSignal: 0-190ΩRange: EFWorking current: ≤70mAOperating temperature:-30~+75℃Storage temperature: -40~+85℃Protection level: IP67Product description :The fuel level gauge is suitable for all kinds of oil level sensor, using the cross coil drive pointer, product durability and good shock resistance, with anti fog function.Application:Suitable for various oil level sensor, display the position of the oil tank level;9~32V universal.Main applications: craft, engineering machinery, vehicles, generators, engines, machinery etc.Connecting instructions:Orange - BlackLightRed - (+9~32V)Blue - (Battery-)Black - Sensor signalOperation:1, Press the Mode button (less than 1 second) to change the backlight color: Backlight changed in sequence: red (default) → green → blue → white → yellow → yellow green → orange → Purple → (automatic). Automatic: As the gauges was set with the automatic , the backlight will be off for 2 seconds then lighten up, And will swithc the backlight color as above sequence.2, Users could select the input resistance as down below operations if you have Fuel /Water/Sewage level gauge.Hold the Mode button for 3 seconds to enter the setting mode, back light flickering for a while. The needle point at the "E" position, and you could select the corresponding parameter via pressing the button as down below form.Notice:1. Please allow 1-3mm error due to manual measurement.Pls make sure you do not mind before you bid.2. The color may have different as the difference display,pls understand.