Cool product, happy with the purchase, maybe Ill buy it again.
A good choice for beginners. Before flying, the blades should be balanced, which will lengthen the life of the engine and the flight time. How to do this look on the Internet.
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Pros
Best performance/price ratio. It is possible to attach an FPV to a quadcopter (usually this is possible on much more expensive models). Relative "indestructibility", only without fanaticism. Feels confident enough in the open air. Can fly against the wind (competitors are blown away by the wind)
Cons
collector motors. Since these engines are cheap, they wear out quickly. During the month of active flights, 1 engine burned out