germany laser bar, 15 bars, high power 1800wthere are two different sizes of handles, you can also choose two handles at the same time * high power diode laser with nice cooling technology, for hair removal with painless * diode laser enable the light to penetrate deeper into skin and safer than other laser. because it can avoid the melanin pigment int he skin n's epidermis, we can use it for the permanent hair removal of all color hairs on all 6 kinds skin types, inluding the tanned skin. * suitable for any unwanted hair on areas like face,arms,armpits,chest,back,bikini,legs...it also have the skin renewing and skin tightening at the same time. * frequency 1-10hz.treament fastly machine for fast and permanent hair removal.syi