Mini portable, no need to take outside the oil, accurate measurement, extend the life of the car.One-button detection, higher accuracy.LED display screen can accurately display the results, clearer readings.Use the optical principle to check the oil condition of the engine, and the latest status of your oil anytime and anywhere.With optical probe, no need to take the oil outside, just put the probe into the oil to the test results.Specifications:Material: ABSColor: yellowBattery: 4 x AAA battery (not included)Probe diameter: 5.3mmOil hole requirement: diameter 6mm, curvature Less than 30Hose length: 800mm / 31.5inDetection type: turbineoil height: 170mm / 6.7inPackage Contents:1 x DetectorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.