1. Main functions: taking photo, recording video & audio by Manual,take audio alone, thermometer, web camera, USB drive, clock.
2. External Memory: 2GB/4GB/8GB
3. Video : AVI format, 640*480 resolution, 30fps, photo: 1280*960 resolution
4. Battery type : Lithium-ion
5. Battery recording time : about 2 hours
6. USB: 2.0 (Hs)
7. Operation systems: No need for driver installation if the operating system is Windows ME/ 2000/ XP/ Vista or above (windows98 is excepted)