1Comes with pressure gage, transparent cover provide easier and clearer pressure readings. 2Easy to install and disassemble, convenient operation, no more tools or accessories required. 3Adjustable pressure regulator valve, you can adjust air pressure according to different needs. 4Quality tested for maximum reliability and high performance in even the toughest environments. 5Made of high quality metal and plastic material, durable and solid, rust and corrosion resistant.