Features: No need to take out the oil, just put the probe into the oil gauge to obtain the test results. Accurate detection of engine oil, ensure that the oil can be replaced in for time, prolong the service life of the engine. Small size, easy to carry or store in the car, easy to use in a variety of occasions. With LED display screen, can accurately display the test results, more convenient. Easy to use, one-button boot detection, higher accuracy. for Turbine oil and wood oil detectors are available. Specifications: Material:ABS Probe Diameter:5.3mm / 0.21inches Hose Length:800mm / 31.50inches Oil Hole Requirement: Diameter>6mm Curvature<30° Model:Turbine Oil Detector / Wood Oil Detector Size: As Picture Shown Package Includes: 1 Piece Engine Oil Tester note: Please allow 1-2cm errors due to manual measurement. Because of the different display of each computer, the pictures may not reflect the actual color of the item.