I bought this with some trepidation as previous experience with underwater drones was dismal. After reading the manual twice and watching the video tutorials, I flew the drone into the sea and everything was great except I couldn't move it up and down vertically until I changed the tilt axis. I struggled with this for a couple of hours, re-read the manual and realized I was using the wrong lever for this move, and then... retesting, everything was perfect. I had a few minor technical questions and they were amazingly responsive despite the time difference, responding within 12 hours each time. This is a great product and a great company. My only suggestion is to have a better guide that has part of the video tutorial in text. Otherwise, and even with that, you can't go wrong with this drone. It's worth the price, it does a lot more and better than cheaper drones and even better than some of the more expensive drones. I recommend buying a reel as it makes handling the cable a lot easier.
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