This Eppendorf control panel is for use with the Eppendorf Mastercycler. A control panel OR CycleManager pro software (both sold separately) is required for operation of the Mastercycler. The control panel (with 2 USB interfaces) allows up to 5 Mastercycler Pro and/or Mastercycler ep to be run together in a minisatellite system with any numeral configurations. With the CycleManager pro software up to 30 Mastercycler Pro and/or Mastercycler ep can be run together in a network with any numeral configurations. Comes with a connection cable. Eppendorf #: 950030050.