Crazepony DALRC XR215 FPV Carbon Fiber Quadcopter Frame Kit with PDB like QAV210 Quadcopter etc Built-in OSD video superposition.Built-in 2 road 5 v12 v 2 a BEC low ripple power supply.Camera 5 v12 v voltage switch Built-in figure switch, grounding convenient and timely close figure. Built-in BB ring (need to access flight control) Distribution without welding wire,XT60 cell line Airframe drive has multiple antenna aperture and outlet hole, convenient fixed antenna and the power cord.