Item Name: Tester Engine Oil Tester Brake Fluid Tester Digital Car Brake Oil Testing Tool. Test oil type: DOT3,DOT4,DOT5.1Operating temperature: -10C-50CFunction: Back light, Led light, Sound and light alarm, Low battery alertSize: As the picture shownInput voltage: 9VFeatures: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
