It is a camera which can be photoed by the fastest.It is a camera application program with small shutter tone. It becomes operation off the subject about 3G.Please push volume + button of iPhone if the volume is 0.00. It goes up if the manner mode is released when the volume doesn't go up. application program explanation Sound is hardly heard if it changes to a minimum setting. Please use it when you take a picture like pet and child's sleeping faces etc. - IOS4.0 or more corresponds. - For in-camera- For lightiPhone3GS is 640x480 pixels. iPod touch4, iPad2, and iPhone4 are saved at 1280x720 pixels. The high-resolution mode is only iPhone4, and iPod touch4. It does and it takes a picture of special processing. Please acknowledge it beforehand though it is when the image of which it takes a picture is rough. SpeedCamera