Mustek MDC-5500Z 3.1MP Multi-function Camera with Voice Recorder & 3x Optical Zoom 3x optical zoom combines with 4x digital zoom for 12x total zoom Multifunction camera also serves as digital video camera, voice recorder, PC cam, and card reader Save images to 16 MB flash drive (included) or optional Secure Digital (SD) memory card Powered by 2 AA-size batteries (alkaline included, rechargeable recommended) 3.1-megapixel CCD with hardware interpolation creates near-equivalent of 5 MP resolution