Features: 1. 16 Powerful LED bulbs accelerate our teeth whitener gel to break-up and dissolve stubborn stains caused by food, wine, smoking and aging. 2. The powerful tooth whitening kit available, with 16 of the brightest LED bulbs. 3. 1 Size fits ALL universal mouth tray snaps on and off of the LED light unit for easy cleaning. You also receive 4 syringes of whitening gel for friends or family to use; and a plastic storage case to keep your LED whitening tray clean and protected in between uses. 4. It is Lightweight and portable, suitable for homes, dental clinics, travel, business trips and other occasions. Specifications: 100% brand new and high quality Product Name: 16 LED Light Teeth Whitening Kits Color: White, Black Charging Type: USB Battery Charging Kits Weight: 320g Package List: 1 Set Teeth Whitening Kits