Can be used as a dedicated controller in connected mode or as an expansion module for the ROBO Interface. Connects to ROBO interface via 10-pole flat ribbon cable that is included. Four 9V/250mA motor outputs (max. 1A). Variable speed control. 8 digital inputs, one analog input with 0-5kO. USB interface for online operation directly on the PC. Connection for additional ROBO I/O Extension. Up to 3 ROBO I/O-Extensions can be connected in series and to the ROBO Interface. Additional 9VDC/1A power supply required not included.