Revell helicopter sky champion
Rc helicopter applications indoor outdoor type of model rtf ready to fly propulsion coaxial rotor special features gyro remote control included number of channels 3 transmission coverage 30 m type of battery lipo battery voltage 74 v battery capacity 1 500 mah length 750 mm width 120 mm height 260 mm rotor diameter 530 mm recommended minimum age 14 years skill level medium