Features:1) Light treatment is the latest whitening technique used by dentists, 7 LED lights combined with ionic whitening refill, after 2 minutes to automatically switches off, rapidly removes surface stains and penetrates deeply to remove embedded stains2) Works great on stains caused by coffee, tea, smoking, red wine, fruit juice, cola, aging , acheomycin, medicament and fluorin 3) Designed to be used at home and is extremely easy to use4) Adopt the principle of physics reductive, so it is harmless to your health5) Makes you smile confidentlyContains:1) 1pc lonic whitening light unit2) 1pc whitening rinse spray3) 1pc whitening rinse accelerator spray4) 3pcs whitening gels5) 3pcs whitening gel accelerator6) 1pc user's guide7) 1pc 9V battery producing area:China payment:T/T or L/C