Feature: 1. One‑click start detection, higher accuracy, bring you more convenience. 2. The LED display can accurately display the results and the readings are clearer. 3. Use the optical principle to check the engine oil condition and get the latest oil condition in anytime and anywhere. 4. With an optical probe, simply place the probe in the dipstick to get the test results. 5. Mini portable, accurate and effective measurement, extend the life of the car. Specification: Condition: 100% Brand NewItem Type: Engine Oil TesterMaterial: ABSColor: YellowBattery: 4 x AAA Batteries (Not Included) Electricity: 180mAhWhole Product Size: Approx. 42 x 170mm/1.7 x 6.7in Probe Diameter: Approx. 5.3mm/0.2in Oil Hole Requirements: Diameter> 6mm, Curvature <30° Hose Length: Approx. 800mm / 31.5in Detection Type: Auto OilFunction: The oil detector can help extend the life of the car. Failure to replace the oil and poor quality oil in time will reduce lubrication, reduce the sealing effect, reduce the cooling effect and reduce the cleaning effect.. Package List: 1 x Oil Tester1 x Brushes1 x Screwdriver Note: 1. Please do not test whether the engine temperature is higher than 60℃. Please check the thermometer on the dashboard. The test temperature must be below 60°C.2. Before testing, please check whether the probe is clean and ensure that the probe is covered with oil during the test.3. The new engine oil shows 100.0%, and the normal range is 30%‑100%. If the oil test result is less than 30.0%, the detector will sound an alarm indicating that you should change the oil.