Canon PowerShot S45 4MP Digital Camera w/ 3x Optical Zoom 4-megapixel sensor captures 2,272 x 1,704 images for photo-quality prints up to 11 x 14 inches 3x optical (plus 3.6x digital) zoom lens with autofocus Included 32 MB CompactFlash card holds approximately 27 images at default resolution; camera is Microdrive compatible Connects with Macs and PCs via USB port Uses proprietary NB-2L lithium-ion rechargeable battery (included)