Key Features Made to Last: Made of aluminum alloy and rubber, this product is corrosion-resistant and wear-resistant, ensuring your long-term use. User-friendly Design: The rubber hose in the middle can be flexibly bent for easy refueling and is explosion-proof and pressure-resistant for higher durability. Moreover, it has a low battery reminder function to avoid a sudden shutdown. Wide Application: It has four measurement units (L, GAL, PTS, QTS). The various units can meet more usage scenarios. With an operating temperature range of 14°F to 122 °F, it is suitable for refueling many types of fluid media such as gear oil, engine oil, antifreeze, diesel, gasoline, kerosene, and lubricating oil. Power Saving: When it is not used for a few minutes, it goes into a dormant state. It consumes low power in a hibernation state to save electricity. Application This product is suitable for trucks, buses, oil tankers, ships, construction site machinery, etc. It applies to filling fluids such as gear oil, engine oil, and antifreeze. Specification Material: Aluminum Alloy, Rubber Color: Silver, Black Style: Modern Oil Pipe Type: Hose Applicable Medium: Engine Oil Display Unit: L, GAL, PTS, QTS Screen Type: Five-digit LCD Work Pressure: 45BAR Measurement Accuracy: ± 0.3% Number of Batteries: 2 (Included) Error Coefficient Setting Range: 0.100---9.999 Working Temperature: -10°C~＋50°C/14℉~122℉ Outlet O.D: 15mm/ 0.59in Inlet I.D: 13mm/0.51in Instrument Size(L*W): 9*8cm/3.54*3.15in Product Size(L*W): 58*15cm/22.83*5.91in Package Size: 62*21*12cm/24.41*8.27*4.72in Gross Weight: 2.02kg/4.45lbs Net Weight: 2kg/4.41lbs Package Included 1* Oil Fluid Dispenser 1* English Manual Notes 1.Please check all connections for leaks and ensure that the technical data installed matches the technical data of the lubricating oil flow meter. 2.Please read the operating manual completely before use. And pay particular attention to the safety instructions included.