UDI RC UDI U839 3D 2.4GHz 4 Channel 6 Axis Super Mini Nano UFO Vehicle, Green This lightweight, easy-to-fly, nano-sized remote control quadcopter is one of the smallest radio controlled, full-featured multi-rotor drones 2.4GHz technology for a solid radio link. Fly multiple aircraft without worrying about interference Four high visibility colorful LED lights indicate orientation and allow the item to be flown in the dark Indoor and outdoor capable