... forest patrol, filming & advertising, police pursuit, military stealth, etc. Wookong WK-H Features:Multi control mode (GPS ATTI, ATTI, Manual)GPS ... 450 to 800 class R/C helicoptersInstruction Manual included. Wookong WK-H Specifications:Swash support - Normal, Three Servo 120 degree ... - 333Hz ,560Hz. 1520us - 125Hz,165Hz,165Hz,270Hz,333Hz Wookong WK-H Dimension:IMU: 41mm X 31mm X 28mmController: 51mm X ...