Specifications:
Material: ABS
Color: Red/Black for optional
Testing system: oil quality
Power Supply: 2x 3V（include）
Package weight: 75g
Package size: 12*5*5cm / 4.72*1.97*1.97in

instructions:
1.Select engine type GAS or DSL().Turn on key down. Wait for 5 seconds, and then drip oil to the test tank when the green light is flashing on the instrument and the red light is flashing. Finally, press the test key to start the test
2. Add a few drops of lubricating oil to be tested to the sensor of the instrument. Do not miss the test tank.
3.Press the "test" test key and release it quickly. The 10 lights will flash in sequence. The last light indicates the quality of the lubricant.
4.No. 1-7 Any LED flashes green, indicating good oil quality.
No.8 or No.9 led flickers yellow, and the oil quality is average.
No. 10 LED is flashing red slowly. It is recommended to change lubricating oil.
No. 10 LED flashes red rapidly, it is recommended to test the engine.

PackageList:
1 X Engine Oil Quality Detector