I bought this helicopter for flight exercises at home and am positively impressed by this helicopter. It is very easy to fly to the proper setting (trimming) and is for beginners as well as advanced model helicopter pilot control at all times. Even violent crashes or wall contacts he is "far" harmless. It can also be out there flying, however, should be calm because it is otherwise poor to no longer be controlled, it simply lacks the power. For beginners model helicopter pilot this helicopter is well suited, because you can train well operation via remote control, the maneuver of the helicopter and the right landing and ascent to the small Luftquirl without you having to worry about the something breaks, something bigger at a Helicopter very costly, as well as would be annoying if something breaks. So a good preparation for later outdoor flights with larger helicopter models. The flight time is about 10 minutes, then the helicopter again via the included charging cable (USB) is charged in approximately 45 minutes and the fun can begin anew. If ever break a rotor blade, as is included with a complete set of rotor blades.