Compressor type:oil-less hermetic 1/2HP Refrigerant type:R12/R22/R134a/R404a/R407c recovery multi-refrigerant Recovering rate:vapor 12kg/h liquid <48kg/h Recharging rate:60kg/h Oil separater:200ml capacity Vacuum pump:2L/s dual class Service hoses:1.8m With the electronic scale 80kg precision:+10g Tank:22.7kg/50bs refillable with two valves Operation temperature:-10－50℃ Dimensions：640×720×1164mm Unit weight:110kg Power: 110V 50/60HZ,220V 50/60HZ If the charge is not complete due to balanced pressure, then push"HOLE/BACK" button to pause, turn the pressurized charge switch to pressurized charge, then push the "HOLE/BACK" button again to start pressurized.