Congratulations China, you fooled another stupid American. Once you read the instructions and changed everything from Celsius to Fahrenheit, Bar to PSI, it should be pretty easy, right? I also know the instructions have been translated but they are not clear at all. I might as well leave them in Chinese, I probably would have had the same success. It's all from the same"kit". followed directions and 3 out of 4 tires showed 50# when all 4 filled to 70#. I checked with a sensor and installed them in another car. The print was still inaccurate. I drove down the street, did a factory reset, checked everything again. no I can't even get it back now as I've been trying to get it to work for too long. $$$ in the trash can.