Pentax Optio S55 5MP Digital Camera with 3x Optical Zoom 5.0-megapixel CCD captures enough detail for photo-quality 13 x 17-inch prints 2.5-inch LCD; 3x optical zoom 6 still-image shooting modes; three autofocus modes PictBridge compatible for direct printing without a computer Stores images on SD memory cards; powered by on Lithium battery or two AA-size batteries (two AA-size batteries included)