The price difference is he justified with the products of the lower range? YES 1- The screen not only allows for the time in the bathroom; ) But quickly becomes brushing your coach: minimum time, quality of brushing, different programs from all the operationalization of the toothbrush automatically. 2- Silent, indicating changeover or end of subtle brushing too much pressure indicator Full option; ) 3- A storage for different brushes and a case to take him on a journey Tip: To stop the brush, hold the button (if you switchez between the different functions)