Features: Keep your engine running smoothe with the Oil Quality Tester. It accurately analyzes and detects oil acidity level, ensuring performances. The Oil Quality Tester to monitor lubricating oil acidity, helping you maintain your engine in top shape. Suitable for all vehicles, this 12V oil quality tester provide accurate result, making it a valuable tool for car maintenance. Stay inform about your engine's condition with this user friendly device. Whether you're a car enthusiasts or professional mechanic, this oil quality tester is essential for routine maintenance. Stay top of your engine health with reliable analysis. The Oil Quality Tester help you understand your vehicle's lubrication system. With its efficient analysis and easy to use design. Specifications: Material: Plastic Voltage: 12V Working Temperature: -30 to 75℃ Battery: 2xCR2032 Batteries(Included) Package Includes: 1xGas Fluid Analyzers 2xCR2032 Batteries note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the items actual color.