WLtoys XK K127 Remote Control Helicopter, 4 Channel RC Aircraft with 6-Axis Gyro, Altitude Hold, One Key Take Off/Landing, Easy to Fly for Kids and Beginners  Feature:  1. No aileron design, the blades are designed with aerodynamic principles, the performance is strong, and the fuselage is self-stabilizing. Simple 4-channel design, 6-axis gyroscope with air pressure adjustment function, ultra-stable flight; one-button take-off and one-button landing functions make the product easier to control and more suitable for novice operation.  2. Use 8520 coreless motor, 3.7V 400mAh 20c high rate battery, with USB charging plug.  3. With the function of air pressure and height adjustment, the flight is super stable. The aircraft can perceive the surrounding environment and ensure stable flight when flying in the open air.  4. Low voltage alarm, large and small rudder volume conversion and other functions. It is specially equipped to adjust the hovering midpoint of the aircraft and enter the adjustment mode.  5. The remote control adopts independent positioning rocker seat, which makes the hand feel better and more delicate, and the centering is more accurate, allowing customers to operate more accurately and more comfortably.    Specification:  Model: WLtoys K127  Helicopter Dimensions: 28x8.3x6cm/11.02x3.27x2.36in  Remote control: 6 X 1.5AA (not included)  Remote control mode: 2.4G remote control    Single battery:  Battery details: Fuselage 3.7V (400mAh) (included)  Use time: about 16 minutes  Charging time: about 35-40 minutes  Remote control distance (meters): about 80-100m  Number of drive motors: Main motor (coreless) 8520  Tail motor (coreless) 0615    Note:  Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you  Please allow 1-2cm measuring deviation due to manual measurement.                                                              1 X Color Box Packaging  1 X RC Aircraft  1 X Remote Control  1 X Instruction  1 X USB Charger  2 X Fan Blades  1/2/3 X Lithium Battery (optional)                            U.S. buyer attention:   The areas where the US warehouse does not deliver goods are: Hawaii, Alaska, Puerto Rico, Guam and other US overseas territories. And the military address.    Spanish buyers attention:  if your address includes following postal code please do not choose the Spanish warehouse.  The zip code starts with 35/38.  Overseas warehouse cannot be delivered.