Weight

< 4 oz. (< 113 g) Unit Body Dimensions 7.75 x 1.61 x 0.39 inches (198 x 41 x 10 mm) Minimum active work area 17 x 11 inches (43 x 28 cm) Maximum active work area 108 x 60 inches (274.3 x 152.4 cm) Tracking technology ultrasound and infrared Positional accuracy +/- 1.5 mm Wireless range up to 50 m (164 ft) Connectivity USB plug-n-play wireless Interactive Stylus Weight 0.8 oz (23 g) ? not including weight of battery Battery type AAA alkaline Battery life 50 hours Operating System Windows Windows XP, 7 & 8 Intel Pentium Dual-Core, 2.1GHz 2 GB RAM 250 MB of available disk space recommended CD/DVD ROM drive or Internet connection Available USB 2.0 or 3.0 port Mac OS X OS 10.6 or higher Intel Core Duo 1.5Ghz 2 GB RAM 250 MB of available disk space recommended CD/DVD ROM drive or Internet connection Available USB 2.0 or 3.0 port Linux Ubuntu 10.04/12.04 Intel Pentium Dual-Core, 2.1GHz 2 GB RAM 250 MB of available disk space recommended CD/DVD ROM drive or Internet connection Available USB 2.0 or 3.0 port