Includes PC connection cable and CD with software. The new Race Management system plugs into the Digital 132 Lap Counter (sold separately) on one side, and your laptop on the other side using a USB connection for your computer, it is not a stand alone system as it needs to receive information from the lap counter. Currently Carrera does not make a software system that works perfectly with the new control unit (30352). The current PC link software is not designed for use with the control unit (30352) The software is designed and works with Carrera black box (30344) in conjunction with the Carrera (30342) lap counter. System Requirements: Windows 98, XP, 2000 (compatible Vista) 50 MB free space on hard drive 125 MB RAM CPU Pentium or higher Resolution min. 800 x 600 CD-ROM drive USB port English language PC / notebook / mouse / keyboard