4GB Audio/Video Calculator Camera/Wireless Video Camera:

- Detailed Product Description 4GB Audio/Video Calculator Camera 640*480 calculator with dvr camera and microphone: 300K/1300K pixele Vedio FormatAVI

Photograph Dimension352*288/640*480 Memory1GB/2GB/4GB/8GB (optional) Vedio Recording

Function USB: 2.0(Hs) Built-in Li-battery, working 2 hours continuously(Max) No need for driver installation if the operating system is Windows ME/ 2000/ XP/ Mac OS 9.2.2 or above (windows98 is excepted)