It has got F450 frame capable of flying in X mode or + mode with built in PCB for hassale free and clean soldering, all the ESCs and Motors come with factory soldered bullet connectors so there is no worry for buying extra bullet connectors. Motors and ESCs are highly powerful and can easily lift off the Quadcopter without consuming much battery. Transmitter and Receiver are of FLYSKY which is already programmed. KK2.1.5 is the flight controller board which has an ability for flying quadcopter, RC cars. This is a complete kit so nothing else has to be purchased, all you need is to give this kit is some time of yours for assembling it and go outdoor for flying. Don't forget to remove propellers while programming it