Engine Oil Tester for Auto Check Oil Quality Detector with LED Display Gas2785\n\nFeatures: Mini portable, no need to take outside the oil, accurate measurement, extend the life of the car.\nOne-button boot detection, higher accuracy.\nLED display screen can accurately display the results, clearer readings.\nUse the optical principle to check the oil condition of the engine, and get the latest status of your oil anytime and anywhere.\nWith optical probe, no need to take the oil outside, just put the probe into the oil to get the test results.\n\nSpecifications: \nBattery: 4 x AAA battery (not included)\nOil hole requirement: diameter 6mm, curvature Less than 30\u00B0\nDetection type: turbineoil\nNote: \n1. Please do not test if the engine temperature is above 60\u2103. Please check the thermometer on the instrument panel. It must be below 60\u2103 to test.\n2. Check that the probe is clean before testing, and that the oil has flooded the probe during the test.\n3. The new engine or