Despite a higher price than most of its competitors, the price difference is justified by its high quality, ergonomics and unique design. Also note that editing is archi-simple and protects the delivery of a lap is included. From the perspective of sports performance, the camera is a marvel not only the abdominals are worked but also the shoulders, arms and chest. My only complaint for lack of a training manual. (Must check their website on the internet with pay being marketed in English only)