E-Sky / Twf Lama-V4 Rc Helicopter (RTF)

Specification: ( 1) . Main rotor diameter: 340mm; ( 2) . Weight: 230g( 3) . Length: 408mm, width: 85mm, height: 180mm; ( 4) . Power system: 180 motor*2( 5) . Kit / ARF / RTF: 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 / 60( 9) . Battery: 7. 4v 800mAh Li-polymer batteryProduct Features: 1. 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 ESKY 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. 7. Frequency: 27mhz / 35mhz / 72mhz