IPL hair removal device is ideal for lighter skin tones and brown-to-dark hair. NOT applicable to dark brown and black skin; NOT applicable to blonde, red, gray, white hair. DO NOT use this on the tattoo, scar, acne, mole, allergic, injured, or recently tanned skin. Please shave the skin hair off before treatment, and keep skin clean and dry. Please start at level 1 and increase gradually till find the most suitable one. Time to see noticeable or final results vary from individual to individual. Please concrete analyze and give it more patience. Power: 36W. Power Supply: AC 100V~240V ~ 50/60Hz. Flashlight: 999,999 flashes. Treatment modes: flash and glide mode. Intensity level: 5 levels. Area spot size: 3CM.