My complaint about that unit on my old Hotspot was that when it detected that I hit 200 mph, it did not gently reduce the power a bit to keep from exceeding 200, it just chopped the throttle! The first few times I hit the limit at airshow center and I heard "PHHHEEEEEWWWWWWWWW", I about crapped my underwear!!! I finally figured out what was happening and ripped that unit out immediately and used the eyeball method of speed control thereafter. Worked great.