Item Name: Car Brake Oil Tester Digital Car Brake Oil Testing Tool Brake Fluid Tester. Input voltage: 9VTest oil type: DOT3,DOT4,DOT5.1Function: Back light, Led light, Sound and light alarm, Low battery alertSize: As the picture shownOperating temperature: -10C-50CFeatures:1. Mini portable, no need to take outside the oil, accurate measurement, extend the life of the car.2. LED display screen can accurately display the results, clearer readings.3. LED lighting makes it easy to face even in dark environments or low light
