Descriptions:  Product Size: 250mm(main rotor diameter)*232mm(length)*77mm(height);  Flying Weight: 85.5g;  Motor: 1106 11000KV brushless motor(main motor)8520 coreless motor(tail motor);  Control Mode:  2.4G;  Control Distance: 150m;  Battery: 3.7V 700mAh 25C li-po;  Charging Time: 30-60mins;  Flying Time: about 5 mins;  Compatible with FUTABA S-FHSS.     Features:  (1). According to EC-145 prototype ratio, high simulated scale and patented four blades.  (2). Blades design quotes aerodynamic,provides strong power and body self stability.  (3).1106 rotor brushless motor power is stronger, the 3.7V 500mah 25C high rate battery.  (4). 3D and 6G (also compatible with electronic 3 gyroscopes and 6 axis gyroscope) mode one remote controller can be switched freely.  (5). Use 3 axis gyro in 3D mode,sensitive reaction.To do the stunt flying, can easily make rolling inverted pendulum movement.  (6). Use 6 axis gyro in 6D mode,flight stability, especially suitable for beginners to flight.  (7). 6 channel remote control, a 3D special IDLE switch throttle hold TH.HOLD switch large screen liquid crystal display, low voltage alarm function.Especially with aircraft hovering point setting, enter the setting mode to set the hover plane according to your need.  (8). A special USB charger, charge 2 batteries simultaneously.     Package Includes:  1x helicopter;  1x charger;  4x blade;  1x screwdriver;  1x big gear;  1x battery.