Here is a drone kit that comes with everything you need to build a RC quadcopter with app control. Ready for battle, the Fayee FY605 DIY Drone comes with a 480p camera and 2.4Ghz real-time FPV. It can be controlled with an iOS and Android device.
This drone has headless and altitude hold modes. It has a range of up to 50 meters and lasts up to 5 minutes on battery.