Refuses to calibrate properly, flies by itself, keeps drifting, very poor recording resolution, like 480p, flew by itself in a completely different direction than I intended, like someone else was controlling it and took it from me an hour to find it. One of the batteries was improperly shaped and barely fit in the drone. I fire the thing up, calibrate it as described, set it up, push the joystick forward so it goes straight up and it goes up about ten inches, and then it drives horizontally at