Self-Sening Blades – precision self-sening precision blades stay s longer and continuously sen over time; oil between every few haircuts to increase the longevity of your electric clipper motor and blades Heavy Duty Motor – Our ultra-power heavy duty hair trimming system easily cuts the thickest hair with 35 percent more power than standard electromagnetic motor clippers, This results in a very strong audible hum, but is completely normal to its operation. Don’t settle for a weak clipper. At Home Haircuts - With our kit you can achieve at home haircuts with ease; Our cutting guards make remembering your favorite haircutting lengths easy Smooth, Easy Haircuts – With a variety of cutting lengths, adjusting the trim length is pain-free. The self-sening blades cut through the thickest of hair, just remember to oil the blades after a few uses. brand name: Power Type: Rechargeable Use: Face, Hair, beard, body hair Voltage: 100-240V Model Number: KM-850 Engine: very powerful Color: as the picture in product page show package content 1 x hine 1 x brush 1 x manual 4 x limit combs Oil is not include