I recommend for beginners. Only carefully in the city, everywhere the wires between the houses, you can not notice andcomllapse. I'm trying to get higher. ? v=AK4mX_h-RlI&t=7s Has some pros: Compact and very nimble. You don't need to register. He himself will show where you can fly and at what height, as well as where you can’t at all. Got cons: As long as everything is happy. Still proximity sensors, but where to insert them in such a weight)