It's not just a hair removal instrument, three bald heads and one machine with multiple functions · HR hair removal · AC acne lightening · SR skin rejuvenation.Three functions of hair removal, skin rejuvenation and acne lightening: ice flash synchronous four-sided ice protection or separate ice application, unlimited flash times and stable energy, single flash or continuous flash dual mode,Irradiation times unlimited light source strong pulse light source light radiation energy 2.5 ~ 4.8j/cm2 energy gear 5 adjustment rated power 36W light output area 3.1cm.