You need to have this Hubsan X4 H107C 2.4G 4CH RC Helicopter.
Has a 6-axis flight control system (three-axis gyroscope 3-axis sensing).
It has an adjustable steering sensitivity a key switch volume setting.
And it is forming one rack.
Battery:. 3.7V 380mAh (maximum 400mAh)Charging time: 30 minutesFlight distance:. ≤ 80 MFlight time: 7-9 minutesWheelbase:. 9x9cmHeight: 2.9cmTake-Off Weight: 31 grams (including battery weight)Motor:. 7 * 20mm coreless motorRemote control mode: 4 Channel 2.4Ghz LCD screen remote control free of frequency.