Gillette Mach 3 Power Razor has a small motor which sends micro pulses to the blades, raising your stubble up and away from the skin, resulting in a closer more comfortable shave Indicator Lubrastrip with Vitamin E and Aloe Vera.Powered by one AAA battery which usually lasts between 3 to 6 months. For best results, use with Mach 3 Power blades and Mach 3 Turbo Gel. ....(continued here)