Propel Air Combat RC Battling Helicopter with Flight Stick Controller - 2-pack 2 RC Air Combat Helicopters 2 flight stick remote controls 2 USB charging cables 2 sets of instructions Flight stick controller with advanced motion control technology for real-flight maneuvers Combat function uses infrared light beams to "shoot" at the opposing helicopter Built-in 2.4Ghz digital spread spectrum technology allows up to 8 players to battle simultaneously in the same space without interference Beginner to intermediate skill level Slow and fast speed settings Built-in gyroscopic chip Onboard LED lights Lights, sounds and vibration feedback Helicopters are packaged individually For indoor use