Cordless. Ergonomic. The Dremel 7760-PGK is an Easy-to-use Cordless Rotary Tool solution for gentle pet nail trimming in the comfort of your own home. Rechargeable battery: Never run out of power. With the 4-volt Lithium-Ion battery and convenient USB charger. The nail grinder is ready to groom when you are. A more gradual and controlled way to trim nails versus scissors or guillotine-type clippers, reducing likelihood of Cutting Nail Quick. Features like the on/off variable speed slide switch allow for precise control during the grooming process. All with the slide of a switch. Clear cap on nail guard for great visibility of the grooming.