Teeth Whitening Kit with LED Light Effective Teeth Whitening Kit,Our double-sided mouth trays will fit your upper and lower teeth perfectly and comfortably at the same time. Stains can hide nowhere 3 built-in bulbs are designed for more dramatic results in shorter time. You can get a brighter and whiter smile through this professional teeth whitening kit At-home Teeth Whitening,In this completed teeth whitening kit, we apply the advanced technology of LED light activating with whitening gel for a faster, more obvious and more professional results.The instructions are beyond easy to follow. Stop wasting time, energy and money to the dentist. Get your dazzling smile at home Use steps:brush your teeth to clean your teeth, wipe your teeth clean, apply gel on your teeth, turn on the teeth whitening device, and use it after fitting the teeth rails. The package contains: 1*tooth whitening equipment, 1*tooth whitening gel.