... It has three tips treatment range:1. 1064 nm-F0, for skin whiten, acne removal2. 1064 nm-F50, for black, brown, dark color tattoo ... on/off.4) 7 inch control interface screen.5) 500 W power supply.6) 1-10 Hz frequency setup.7) 20 ... range:1. Skin lesion of blood vessel. Red blood streak.2. Skin lesion of pigment. Birthmark, nevus of ota, freckle, deep ...