The BaBylissPRO UV-Disinfecting Single Foil Shaver kills 99.9% of bacteria with its new UV-disinfecting lid (patent pending), This cordless shaver features hypoallergenic foils and a UV disinfecting lid - over 5.5 hours of runtime, It has a 10,000 RPM high speed motor and high capacity lithium battery, UV indicator light and auto shut off