Radio Control Helicopter Hobby Lama V4

1) Main rotor diameter: 340mm; ( 2) Weight: 230g( 3) Length: 408mm, width: 85mm, height: 180mm; ( 4) Power system: 180 motor*2( 5) RTF; ( 6) Transmitter: Standard 4 CH( 7) Mix controller: 4 in 1 controller (W/ gyro, mixer, ESC, receiver) ( 8) Servo: 8g, 1. 3kg. CM, 0. 12s / 60d( 9) Battery: 7. 4v 800mAh Li-polymer batteryFeatures: LamaV4 RTF Electric Coaxial Micro HeliKey Features1. Coaxial, counter-rotating blade rotor design provides incredible stability and positive control. 2. Full RC system set Included, ready to flight out of box. 3. Pre-installed 8g servos and 4-in-1 control unit4. No installation or assembly required. 5. Dual 180 motors makes the LamaV4 powerful and efficient. 6. 800mah 2-cell Li-Po battery pack is low weight, high power and provides flight durations of 10-15 minutes per charge.