Mini Drone V911s 2.4Ghz 4CH Single Blade Propellor Gyro Mini Radio Contorl RC Helicopters For Kids Gift Toys Upgraded V911|RC Helicopters Feature: Product size: 8.3 x 6 cm (H x W) Rotor diameter: 25.3 cm Fuselage length: 28 cm Usage time: flight time is about 16 minutes Charging time: 35-40 minutes Remote control mode: 2.4G remote control Remote control distance (m): 80-100 meters Number of driving motors: main motor (hollow cup) 8520 tail motor (hollow cup) 0615 Battery details: Body: 3.7V (400MAH) (included) Remote control: 6*1.5AA (not included)Parts List: 1 x Helicopter 1 x Remote control 1 x Instruction 2 x Propellers 1 x USB charging cable 1 x Lithium battery Feature: 1.Without aileron design, the blades are designed with aerodynamic principles to provide strong power and body self-stability. Simple 4-channel design, 6-axis gyroscope with air pressure setting function, super stable flight; one-key take-off and one-key landing functions make the product easier to control and more suitable for novice operation. 2.Use 8520 coreless motor, 3.7v 400mah 20c large rate battery with USB charging plug. 3.4-channel remote control, low voltage alarm, large and small rudder quantity conversion and other functions. Specially equipped with aircraft hovering mid-point setting, enter the setting mode 4.Comes with a dedicated USB charger. 5.The tail motor is connected with a detachable plug, which is convenient for customers to replace. 6.The remote control adopts an independent locator rocker seat, which makes the hand feel better and delicate, and the centering is more accurate, so that the customer's operation is more precise and comfortable. Notes: 1.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 2.Please allow slight dimension difference due to different manual measurement. Thank you for your understanding.