Quadcopter application outdoor type of model rtf ready to fly propulsion electric rc function looping gyro 6 axis gyroscope features protected rotors flight time 7 min lighting led included in delivery usb charging cable batteries battery pack diameter 174 mm rotor diameter 55 mm colours red black remote controls included manual operation transmission mode radio frequency range 2 4 ghz number of channels 4 charging time 60 min type of ba