No complaints about the quality, it is currently the best camera of the moment. In terms of quality, it is really excellent. After she keeps the faults of others gopro: not ultra convenient interface with two buttons to navigate (when will a gopro with integrated display for the same size and the same weight, the competitors are getting into) the price is high and the few accessories for the price (luckily attaches GoPro has almost become a standard, there's the choice including among others sometimes cheaper manufacturers in accessories).