Main function 3.0m cmos sensor interpoated to 4.0m digital camera Digital still camera mode: Image capture PC camera mode: Video capturing/conferencing Video mode: Video capturing USB mass storage device: U disk Specification Resolution:3.1 mega pixels,4.0 mega pixels by interpolation Super ( 4.0m - 2304 x 1728 ) High ( 3.1m - 2048 x 1536 ) Middle ( 2.0m - 1600 x 1200 ) Low ( 1.3m - 1280 x 1024 ) Vga ( 300k - 640 x 480 )/qvga ( 320 x 240 ) for PC camera mode. Qvga ( 320 x 240 ) & CIF ( 192 x 144 ) for video recording mode. Built-in memory:8*16mbit SDRAM External memory: SD and MMC card ( memory card not included ) Sensor: Cmos 3.1m pixels Flash mode: Forced/off/auto Self-timer:10 seconds delay Capture range:0.5m to infinity Illumination:100 - 16000 ( lux ) PC interface: USB port, ( no driver software is required for windows me/2000/XP ). Digital zoom:8x Color display:1.5 TFT LCD Power:3 x AAA batteries. Dimension:93 x 62 x 29 mm