effectively remove unwanted hair from various parts of the human body, armpit hair, beard, lip hair, bun, bikini line, and limb hair. skin rejuvenation: shrink pores and whiten skin 808nm diode laser hair removal system uses the most advanced technology, more assured the mechanism performance, safety semiconductor cooling system plus the air cooling system plus the water cooling system: 3 cooling system in one machine can make momentary epidermal anesthesia, no any painless during multi-purpose,functional complementary,widely application,marvelous treatment effect not only supply the beauty machines, but also supply the good service we will provide you with a detailed user manual and operation video, ensure you can operate it well..syi