eBeam Edge Receiver:

Weight: < 2.8 oz. (< 78 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 Dimensions: 5.55 x 0.75 x 0.6 inches (143 x 20 x 15 mm) Battery type: AAA alkaline Battery life: 50 hours ? In the Box eBeam Edge Wireless receiver Interactive stylus 2 Mounting plates USB power adapter Software CD 15' USB cable ? 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