3.1M sensor interpolated to 6.0M digital camera

Product parameter :
1)DIGITAL CAMERA WITH 1.5TFT LTPS DISPLAY 6.0MEGA PIXELS
2)Sensor Type: 3.1mega pixels Sensor
3)Image Resolution : 3027x2048,2048x1536,1600x1200,1280x1024
4)Video Resolution: 320x240/15fps(w/o audio)
5)Mass storage: yes 6)Pc camera : yes
7)Display : 1.5Color Ltps LCD 8)Lens: F2.8/f=10.0mm
9)Zoom: 4xComtinuous digital zoom 10)Focus Range :120cm~ infinity
11)Flash Type : Yes(on/auto/off),range 2m 12)White Balance: Outdoor, shade, light bulb, fluorescent
13)Exposure Control: Auto(AE range-1.5EV to +1.5EV by 0.3steps)
14)Video output : N/A 15)Photo Sharpness: Normal/sharp/soft
16)Playback:3x3Thumbnail, picture Rotatable 17)Self timer : 10seconds
18)External Memory: SD slot(Compatible with MMC) 19)Support File format: JPEG/AVI
20)Power source: 3Xaaa alkaline batteries 21)Inter face: USB 1.1
22)Dimension: 88.6x51.6x23mm 23)Weight: 85kg(no battery)