Original XK K123 6CH Brushless AS350 Scale 3D6G System RC Helicopter RTF Upgrade WLtoys V931Brand: XK Height: 77mmLength: 238mmRotor diameter: 244mmFlying weirht: 79.5gFlying time: About 5minCharging time: 30-60minControl Distance: 150mBattery: 3.7V 500mAh 25C li-poPackage size: 52.5*24.8*10.3cmRemote distance: About 150 metersMotor: 1106 11000KV brushless main motor8502 coreless tail motor Compatible with FUTABA S-FHSS Features: According to AS350 (the little squirrel) prototype ratio, high simulation, fine appearance design. The details of the products, unique in the market three rotor blades flybarless design. Quote aerodynamic blade provides strong power and body self stability. 1106 rotor brushless motor power is stronger, the 3.7V 500mah 25C high rate battery 3D and 6G (also compatible with electronic 3 gyroscopes and 6 axis gyroscope) mode one remote controller can be switched freely 3D mode using 3 axis gyro, sensitive reaction. To do the stunt flying, can easily make rolling i