The Gillette Fusion Power Razor features Gillette's advanced shaving performance, even on sensitive skin. The battery-powered Gillette Fusion Power razor adds to the features of the Gillette Fusion Manual razor with PowerGlide blades and soothing Micropulses that allow the shaver to gently glide across your face with less friction and less shaving irritation An onboard Microchip regulates the power to ensure consistency shave aftershave. It's a great razor for sensitive skin vs. Fusion Manual. Battery: AAA alkaline battery