The most advanced technology on the market: the Trendsetter Kit is waterproof and wireless. Trendsetter features blue light therapy and dual light therapy. You can receive a whitening session and oral care treatment all in one with our dual light therapy setting. On average each 15 minute session whitens your teeth 2-3 shades lighter. The Trendsetter Kit has an internal timer that shuts off the device after a 15 minute session and is totally rechargeable. Sold and recommended by dental professionals and educators. Vegan Friendly FDA Cleared Includes: The Trendsetter Kit includes 1 light, 1 charger, 1 shade guide, 1 instruction guide and 2 smile pens. Instructions: Included in the box *24 month warranty