Walkera HM 4F200 3-Rotor-Blades RC Helicopter Test Flight Review – MyRcMart.com
Specification 1).Main Rotor Dia. : 420mm 2).Tail Rotor Dia. : 110mm 3).Overall Length: 420mm 4).Drive Motor: WK-WS-21-002 5).ESC: WK-WST-20A 6).Transmitter: WK-2602 7).Battery: 7.4V 1200mAh Li-Po 8).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. Please visit www.myrcmart.com for more information.
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