Oil Quality Analyzer, Portable 12V Engine Tester

【Oil Check】This engine oil quality tester checks the condition of the oil by detecting carbon deposits and impurities, with a digital LED display for quick reading.
【Calibration Function】The built-in calibration function improves accuracy before testing. Select GAS or DSL mode, wait 5 seconds, add a drop of oil, and then press test to obtain the indicator.
【Clear LED Indication】Ten LED lights sequentially indicate the lubricant condition. Green indicates usable oil, yellow average condition, and red suggests an oil change or thorough engine inspection. [Portable ABS Design] Made of ABS, this compact 12 x 5 x 5 cm, 75 g device fits easily in a toolbox, garage drawer, or workbench. [Ready to Use] Powered by 2 included CR2032 batteries. Ideal for motorists, mechanics, and routine inspections when checking engine oil quality during maintenance or diagnostics.