Electronic coupling element: CMOS sensor 300K pixels active pixels: 1.3M pixels(Software promotion) Image resolution: 1280 x 640 pixels (VGA) 640 x 480 pixels (QVGA) Memory device: built-in 4 x 16MBit (SDRAM) Memory capacity: 26 pieces (VGA) 104 pieces (QVGA) Viewfinder:Built-in Shutter speed: 1/6-1/5000 seconds Image process: automatic exposure/automatic white balance Transmission interface: USB 1.1 Working voltage: AAA 1.5 x 2/USB 5V Size:93mmx63mmx25mm Dimensions (W*D*H)cm 54.5*42*33 G.W/Ctn (40pcs/ctn) 12.5kgs Accessories: USB Cable CD-ROM Arcsoftsoftware license User Manual Arcsoft Quick Guide Operating system: Windows 98 Edition II/2000/XP