Features Function: The oil level gauge accurately displays the remaining fuel in the tank with a range of E, 1/4, 1/2, 3/4, F. Equipped with 7-color backlighting for easy nighttime reading. High Accuracy: Utilizes a stepping motor to drive the pointer, ensuring high display accuracy, good repeatability, broad compatibility, and reliable performance. Waterproof and Dustproof: Features a 316L stainless steel bezel and anti-fog curved glass with IP67-rated protection, making it suitable for harsh environments. Universal Application: Operates on 9-32VDC, compatible with 12V and 24V vehicles, boats, trucks, construction machinery, and agricultural equipment. Easy Installation: Requires a 52mm (2-1/16in) mounting hole; installation takes less than 15 minutes. Specifications Item Type: Fuel Level Gauge Material: 316L Stainless Steel Bezel + Anti-Fog Glass + PC Input Signal: 0-190 ohm Display Range: E, 1/4, 1/2, 3/4, F Protection Rating: IP67, fully waterproof; functions underwater up to 1 meter; excellent anti-fog performance Backlight Color: 7 Colors (changeable via button) Working Voltage: 9-32VDC, peak up to 36V Working Current: 60mA Operating Temperature: -30C to +75C Storage Temperature: -40C to +85C Installation Steps: Step 1: Cut a 52mm (2-1/16in) diameter hole in the dashboard or designated panel Step 2: Insert the gauge into the hole Step 3: Align the bracket screw holes with the screws on the back of the gauge, tighten the screws, and secure the panel using the bracket and bezel Step 4: Connect the wiring harness directly to the back port of the gauge, connect the sensor and wiring according to instructions, then connect to power Package Includes: 1 x Fuel Level Gauge 1 x Wiring Harness 1 x User Manual