Can use to to recover and recharge both R134a& R12 for Auto AC System Technical parameters: Refrigerant type: R134a and R12 Power supply: AC 220V/50Hz Digital weight scale precision: 0.2% (FS) Speed of vacuumizing: 60L/min Refrigerant cylinder capacity: 10kg Speed of recovering: 250g/min Speed of charge: 800g/min Net weight: 100Kg Size: 1,150 x 452 x 466mm Functions:Reclaim and recover refrigerant ;Vacuumize air conditioner;Refill refrigerant into air conditioner;Refill air conditioner with tin refrigerant ;Refill the compressor oil into air conditioner