Overtoptech is an engineering design company providing customized FPV racing drone design, drone racing, FPV kits manufacture, FPV camera wholesale, rtf drone with goggles, fpv gate, all kinds of FPV racing drone accessories such as FPV racing drone carbon fiber frame kits, propellers, ESC(electric speed control), brushless motors, cc3d flight control, F3 flight controller, naze32 flight control, FPV camera. Radio transmitter.