Savage Green Screen Software Kit, Includes 720 Digital Backgrounds, Video Tutorials & Green Screen Wizard Lite Software PC Minimum System Requirements: Microsoft Windows Vista, or Windows 7 2GHz processor 3.4GB hard-disk space 2GB RAM MAC Minimum System Requirements: Leopard, Snow Leopard, Lion or Mountain Lion OS3.4GB hard-disk space 2GB RAM Dimensions (LxWxH): 0.5 x 5.5 x 7.5" Weight: 0.6 lbs