SkyRC GNSS Speed Meter GPS Flight Data Logger Ideal for over 25kg CAA Models SK-500024Sky RC GNSS Speed Meter GPS Flight Data Logger SK 500024 Stop wondering how fast your rc car can run and how high your rc airplane or helicopter can fly. Now all this data come at you fingertips with the GNSS SPEED METER by Sky RC. This gadget is ideal for RC racing flying and casual biking driving and long journey. Plus this great little unit is ideal for all over 25 kg models that need to comply with CAA flight recording. Simple to download to a PC