For the price you have it is very good
What can I say, I did not have one dance under the tambourine while I tuned it. As set up, I did not understand. I did everything in a circle, just at some point the camera began to work. The quality of shooting on the four, maybe even with a minus. The difference between SD and HD modes is almost no, the image sometimes (camera or app? Before that, I tested the swivel camera, there is better quality and does not slow down. In principle, the camera suits me, its goals justify, let's see how much it will work.