AUTOOL AS505 Car Gearbox Oil Test Detector Transmission Fluid Quality Diagnostic Tool 1. High-precision optical detection probe: Integrated high-precision photoelectric transceiver sensor probe provides accurate measurement results. 2. Oil temperature display: Built-in temperature sensor allows for easy assessment of lubrication system operation. 3. Flexible hose probe design: 800mm probe enables convenient and flexible detection. The hose is made of Teflon material, offering excellent oil resistance, oxidation resistance, and corrosion resistance for extended product lifespan. 4. Ergonomic handheld design: Body features a silicone grip for comfortable handling and lightweight one-handed operation. 5. Large LCD high-definition display: 2.8-inch backlit LCD screen delivers clear visibility in various lighting conditions, including low-light environments. 6. Working voltage: 6V 7. Operating temperature range: -10°C to 60°C