compressor with air tank, piston type,oil free, none air polluted, start with air, continuous working, ... .Specifications:Voltage, frequency and socket is to your request.Type: single cylinder piston compressor with air tankPower: 1/5HPVoltage: 220-240V / 50Hz ... , start at 30psi, stop at 60psi (special pressure available) Safety valve: release the air pressure automatically when the pressure over 6bar ...