A Air Consumption: 100 CFM , Alarm Setting: 10 ppm , Color: Black , Display: Liquid Crystal , Finish: Powder Coated , Flow Range: 0 to 1 lpm , Material: Steel , Power Source: 115V AC to 9V DC Power Adapter for Continuous Power Supply, 9V DC Alkaline battery , Pressure Range: 5 to 125 psi , Regulator Type: High Pressure , Sound Level: 90 dB , Style: Portabel, 4 Worker System , Type: Panel, Air Filteration , Visual: External power LED Light Signal