small easy to use usb powered [SEP] this nail drill is exactly as pictured it has an on off switch and an intensity level setting it comes with lots of attachments and even several sandpaper pieces to usei used it to remove stubborn gel polish and i have used it to prep my nails for press on nails i like that it is small and basically the size of a highlighter it has a little weight to it but it is easy to hold and useit powers through a usb cable it does not come with a wall socket