WLtoys V913 Dual Brushless Helicopter BNF With 2200mAh Batteries Item Name: WLtoys V913 Dual Brushless Helicopter BNF With 2200mAh 35C Battery . Heli Size :70*12*21cm . Main Rotor Diameter: 50cm . Tail Rotor Diameter: 13cm . Weight: About 1200 g . Frequency: 2.4G . Channel: 4 Channel . Control Distance: About 150m . Flying Time: About 8 Minutes . Charging Time: About 60 Minutes . Helicopter Battery: Rechargable 7.4V 2200mAh (Included) . Functioin: 3D action & side flying Up, Down,Forward, Backward,Turn Right, Turn Left, Left Fly, Right Fly . Features: 1. Brushless motor version and switchable left & right hand control . 2. High efficiency motor and surge power . 3. It is suitable for both indoor and outdoor flying . 4. Convenient to fly in the dark or at night thanks to the headlight . 5. 2.4GHz gyroscope for extreme stability and precision . Package Included: 1 x Helicopter(Body Only). 1 x 2200mAh 35C Battery