Epson DC-21. Optical sensor size: 1/2.7", Sensor type: CMOS, Supported graphics resolutions: 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 768 (WXGA), 1280 x 800 (WXGA). Optical zoom: 12x, Digital zoom: 10x, Shooting area (WxD): 11.7 x 16.5" (297 x 420 mm). Interface: USB 2.0, USB connector type: USB Type-B. Power supply type: AC, Power consumption (typical): 0.5 W, AC input voltage: 100-240 V. Mac operating systems supported: Mac OS X 10.0 Cheetah, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks