... Price Certification:CE,EN71,ROHS,R&TTE,ASTM Function2 channel rc helicopter (3CH),without GYROSCOPE(GYRO)2 channel(up/down, forward ... Ready-to-fly HelicopterThis 2-Channel R/C Helicopter is fully assembled with all pre-flight adjustments completed. The twin, ... totally cancels out main-rotor torque forces normally encountered with traditional helicopter types, the result is giving you a very stable ...