1. Main functions: recording video & audio by Manual & Motion Detection, taking photo, recording audio alone, web camera, USB drive. It works with external AA battery.
2. External Memory: 2GB/4GB/8GB
3. Video : AVI format, 1280*960 resolution, 30fps
4. Photo: JPEG, 2048*1536 resolution
5. Battery type : Lithium-ion, 140 MA
6. Battery: built-in battery, recording for about 2 hours
7. Operation systems: No need for driver installation if the operating system is Windows ME/ 2000/ XP/ Vista or above (Windows98 is excep