Get pearly whites with this LED Teeth Whitener  Choose from a 1, 2 or 4-pack Noticeably whitens and removes staining  Light activated chemical technology  Powerful and safe whitening gel contains peroxide  Enamel-safe ingredients used by dentists  Provides long-lasting results Fast and easy to use  Power supply: 2 R2032 button batteries (included) Buying Options:  4.99 pounds instead of 19.99 pounds for 1 teeth whitener set - save 75%  8.99 pounds instead of 39.98 pounds for 2 teeth whitener sets - save 78%  15.99 pounds instead of 79.96 pounds for 3 teeth whitener sets - save 80%