Mitt Erler while I've now been already bought the 3.Apparatus this company, because I am very happy with the shaving performance. Very pleasant in the new shaver currently still feel I the volume. No longer up to date, however, the reliability and durability of the batteries. In two previous devices has been changed relative time after a year of battery. The fact that an exchange rate of shaving foil and knife already around 40, - Euro cost and battery life is also limited to 12 months, led to repeated buying a new unit with the associated for warranty of 2 years. The old device is now bridged only the periods of warranty.