Pentax Optio WPi 6MP Waterproof Digital Camera with 3x Optical Zoom 6-megapixel CCD captures enough detail for up to 2,816-by-2,112-pixel photos 3x optical zoom, 4x digital zoom; waterproof operation for up to 5 feet underwater for 30 minutes 2-inch LCD screen and MJPEG movie recording Stores photos on 10.5 MB internal memory and SD and MMC memory cards Transfers photos via USB; compatible with Windows and Mac operating systems; rechargeable lithium-ion battery