Main Control Board (FCS400) [HM-G400-Z-20] - US$135.00 : Miracle Mart, RC Helicopters, RC Cars, RC Planes, Parts for Cars, Parts for Helicopters, RC Accessory, Xtreme Production, Atomic, Spec-R and More
New Walkera G400 Helicopter With GPS First Look - YouTube
Walkera G400 GPS Series 6CH Flybarless RC Helicopter (B&F)