... by dentists It is the plasma light used in modern whitening dental treatments used by dentists Designed to be used at home ... to use " It is included: A,Light Transmitter,1 pcs; B,Advanced dental tray,1pcs; C,lithium CR2025batteries,2pcs, D,Teeth whitening GEL ... ,2pcs ,20g/pcs; E,Manual,1pcs;F,Gift box,1pcs tooth whiten system ...