CineRace20 hd Polar Nano is double duct design , not a simple guard anymore. . It can fly as flexible as a racing drone, and as stable as Cinewhoop. Pilots can quietly enjoy the fun of shooting a video without jelly and up to 12 minutes Super long flight time. This CineRace2o DH Polar Nano comes with TBS Receiver only. It has no remote control , battery and charger. These accessories need to be bought separately.