Crest 3D Whitestrips Dental Whitening Kit Professional White + LED Light Level 30 1 Light 38 Strips 19 Treatments Want to whiten your teeth at home? Crest 3DWhitestrips Professional White + LED Accelerator Light is designed to whiten like a professional level teeth whitening treatment at home. The LED Accelerator Light works to weaken stains so that the whitening ingredients inside Crest 3DWhitestrips can work more effectively to remove stains. In fact, this technology works just like the LED teeth whitening technology dentists use. Plus, the Advanced Seal Technology’s comfortable, no slip grip means the strips stay put until you take them off, allowing you to talk and even drink water while whitening your teeth.