everything works, but do not expect a perfect stabilization, but what makes up GoPro default. But it is especially the fragility have to be careful, do not rush or cables and mechanics. and above all, but especially not to turn without putting the GoPro, this is mentioned in the manual, so be careful, because the stabilizer may take a dirty trick. Small question, why 4 batteries, while three takes to operate the stabilizer, is either a battery or two too less. Unless the manufacturer has provided for the failure of a battery.
Overall, not a bad purchase. But I must test some more stabilizer to see the really operating.
