TrustedReviews have looked at the Trendnet TV-IP400W
The TV-IP400W incorporates a 1/4inch colour CMOS sensor that has a maximum resolution of 640 x 480, operates at light levels as low as 2.5 lux, and can capture video at up to 30 fps. It has a 6.0mm F1.8 lens that is manually focused and has no optical zoom capability. Finally, the camera can be remotely rotated through -156/+156 degrees in the horizontal plane and -40/+40 degrees in the vertical plane.Trendnet TV-IP400W Review