2.4 gigahertz Long Range Spectrum. Let the battles begin! Load your weapons, launch your drone and knock your rival out of the sky. Air Wars Battle Drones(TM) comes ready to battle right out of the box with 2 drones, 2 remotes, 10 weapons, 2-3.7 volt Rechargeable Lithium-Polymer Batteries and 2 USB charging cables.!