The Pro Junior Automatic Fingernail Clipper is a great tool for those with low vision, limited mobility, joint pain, or other restrictions that make trimming nails difficult. This trimmer is child-sized for smaller hands! Simply turn the clipper on, insert your nail into the trim slot, and rotate your nail from edge to edge to get an even trim. The device charges using a 6V, 1,2000mAh, UL Cert charger, included with your purchase. Includes a helpful instruction manual and a fun sticker set to decorate your clipper.