Quadcopter applications outdoor indoor first person view type of model rtf ready to fly propulsion electric series dji inspire rc functions tapfly 360 rotation protection return home obstacle detection positioning gps flight time 27 min maximum speed 108 kmh max speed 30 ms climb rate 5 ms descent rate 4 ms max altitude 2 500 m weight 3 290 g diameter 605 mm colours black white picture format apple prores transmission mode radio