Walkera Flybarless Helicopter/HM 4F200 Electric RTF RC Helicopter 1.Accept mini/OEM order 2.Factroy price 3.EN71/ASTM/FCC

Walkera Flybarless Helicopter/HM 4F200 Electric RTF RC Helicopter

Specification

1).Main Rotor Dia. : 420mm2).Tail Rotor Dia. : 110mm3).Overall Length: 420mm4).Drive Motor: WK-WS-21-0025).ESC: WK-WST-20A6).Transmitter: WK-26037).Battery: 7.4V 1200mAh Li-Po8).Weight: 320g (Battery included)

Features

1).Simulated three-blade structure takes advantage of high efficiency and steady flight. 2).3-axis controlled balance system provides accurate flight location.3).Brushless motor absolutely features both longevity and power.4).2.4G Frequency-Hopping Spread Spectrum technology automatically assigns ID code with strong anti-jamming and high accuracy.