Feature:1. 8 backlight color : red, green, blue, white, yellow, olivine, orange, purple, it will change automatically every 1 minute. You can fix only one color you like by pressing the gauge back ''set'' button.2. It can remind you that the fuel level reading is higher or lower than the normal level to ensures your driving safety.3. The front cover of the instrument is made of 316L stainless steel, which can be used for a long time even in acid, alkali and humid environments, and the curved glass with antifog function.4. Adopts ultrawide working voltage designed, longterm working voltage: 932V, up to: 36V <1 minute.5. Wide application, can be used in engines, generator sets, ships, construction machinery, agricultural machinery, automotive conversion and other fields.Specification:Condition: 100% Brand NewItem Type: Fuel Level GaugeMaterial: 316L Stainless steel + Anti-Fog Glass + PVCColor: As picture shownOptional Type: White Dial Silver Frame, Black Dial Silver FrameInstallation Size: Approx. 52mm/2inWorking Voltage: 9-32VInput Signal: 0-190 OhmBacklight Color Adjustment:Press the setting button (less than 1 second) to change the backlight color: backlight sequence change: red (default) green blue white yellow yellow-green orange purple (auto)..Package List:1 x Fuel Level Gauge1 x Connect Cable1 x Manual