Product Details  mini dvr,wrist watch camera,mini dvr camera with 2GB/4GB/8GB internal memory,elegant watch taking video and audio.with ROHS,CE mini dvr,wrist watch camera,mini dvr camera, wrist watch camera with 512MB/1GB/2GB/4GB/8GB internal memory, elegant watch taking video and audio.ROHS CE, FCC 1. Pixel: 0.3 mega pixel 2. Photograph Format: AVI 3. Photograph Dimension: 352*288 resolution  4. Memory: 512MB/1GB/2GB/4GB/8GB (Optional) 5. Video and Audio synchronous Recording Function 6. USB: 2.0(Hs) 7. Built-in Li-Battery: working 2 hours continuously (Max) 8. No need for driver installation if the operating system is Windows ME/ 2000/ XP/ Mac OS 9.2.2 or above (windows98 is excepted) 9. gift box packing  10. widely used in police,lawer,reporter,students, businessman