dab 205

My video shakes a lot. When I turned the A/C on(air conditioner), the DVR shake. But other DVRs won't. Although the road is flat, the DVRs also shakes. I think that the joint is tight. So maybe is the suction cup problem Is the suction cup or the joint problem? Does anyone have the same problem?

Hello everyone I choosed the 1440P 30fps But there are 29 frames in every second. I also choosed the 1920x1080 60fps. But there are 59 frames in every second. 1920x1080 30fps=> 29 frames/s It always lack one frames in every second whatever I choose. I changed a lot of MicroSD cards, but they...