Battery-powered pet nailer, no need to charge, just install 2 AA alkaline batteries, open the switch to use. Easy to carry and store. You can choose the right port with an electric nailer depending on the size of your pet and the characteristics of your nails. After the bath, the pet nails is more soft and easier to trim. Do not trim too large a range of nails at one time. Use a safety shield when constructing, and gradually trim it to avoid hurting your pet’s nails too much. If the pet’s nails are too long, cut a small portion of the first trim and continue to trim a small portion of the nail every 7 to 10 days until the nail reaches the proper length.