Well the strength of this helicopter is very good also it has lots of power to lift off BUT the controls are to sensitive.
-Battery time is shorter than specified (actually if battery is about half of charge it can fly but lift hardly and hard to control the level)
-Has some LED lights which I think useless power waste (but can be easily disconnected) -No way to charge from R/C (in addition to external power supply), really uncomfortable if you plan to play outside
Very good build quality
Very stable and controllable -Easy to use -Has 2 spare tail rotor -External power supply for battery charge (no need to waste R/C batteries energy)
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