... 1.Wall Mount ATI-820 Automatic Digital Tire Inflator 2.Automatically inflate,deflate and test pressure,fast and safely Wall Mount ATI- ... center,automobile beauty shops,gas station,and tire shops2. Build-in microprocessor and pressure sensor to accurately measure and control inflate ... reading on wide screen by exact computation,the error of tire pressure is lower than 1%.6. Sharpe out shape and design ...