Estes Dart Quadcopter RC Helicopter. The Estes R/C Dart Quadcopter Helicopter is perfect for both beginners and experienced pilots alike! A fully functional 2.4 GHz 4 Channel controller links only to your aircraft, allowing multiple aircraft to fly together. Flies in all directions on command! A gyro provides smooth and stable flight, and the multi-colored, flashing LED Lights add to the fun when flying in the dark! Recharge quickly with the included USB charge cord. Includes 4 spare rotor blades. Suitable for indoor flight only. Range: 100 feet. Ages 14 and older. Includes (1) 3.7V 240mAH rechargeable Lithium Polymer battery inside helicopter. Requires (6) AA batteries (not included). WARNING: CHOKING HAZARD — Small parts. Not for children under 3 yrs. Materials: Plastic, Metal, Electronic Components. Assembled Dimensions: 4.3″ L x 4.3″ W x 1″ H. Weight: 0.5 lbs.