commander 4000 sae approved 1234yf rrr machine with color touch screen command center. The end user can easily navigate through the reclamation process with the use of the on-board command center. Watch the setup video, display the owners manual and perform automatic or manualrecover, vacuum and recharge process. Wi-fi capable, auto diagnostic check, auto vacuum leak check, auto oil discharge, auto air purge, tank heater and multiple languages are just a few of the many features included on the commander 4000.