Olympus Camedia D-550 3MP Digital Camera w/2.8x Optical Zoom 3-megapixel sensor captures enough detail to create prints up to 11 x 14 2.8x optical plus 3.6x digital (10x total) zoom lens with autofocus Included 16 MB Smartmedia card stores 21 images at default settings Movie mode captures up to 33 seconds of video with no audio Uses 2 CR-V3 lithium batteries or 4 AA batteries (rechargeables recommended); connects with Macs and PCs via USB port