This product was a major letdown. While it's marketed as a classroom gadget, I purchased it for my home and kitchen, hoping to adjust the brightness effortlessly. Through trial and error, I found that the magnet wouldn't attach to certain surfaces, and the brightness adjustments were finicky at best. The only pro is that the size of the product is compact, making it easy to store. But, overall, I wouldn't recommend it due to its frustrating functionality.See full review