The iSmile LED kit pairs peroxide whitening gel with a battery LED mouth tray for at-home sessions. It is aimed at budget shoppers who want a full whitening system rather than strips, and the kit includes several gel syringes for repeat treatments.
The LED light is more of a comfort feature than a proven accelerator, and results depend heavily on following the timing carefully to avoid sensitivity. For occasional touch-ups it is inexpensive, but the gel quality and consistency are a step below premium strip brands.