This is the DJI Flame Wheel F550 Base Quad Copter.
FlameWheel series is multi-rotor frame designed for all pilots for fun or AP. With DJI WKM or NAZA
autopilot system, it can achieve hovering, cruising, even rolling and
other flight elements. It can be applied for entertainment, aerial
photography, FPV and other aeromodelling activities.
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