The Electric Manicure Set is cord-electric powered by 2 AA batteries (not included). Keep strong power avoid hurt your skin when clip your nail.he drill is replaceable and please poke the drill into the nail polish machine frimly in case of the drill's ejecting out. The nail file can be used for natural nails as well as artificial nails.Light-weight design for precise operation.High Quality working Motor provide lasting power and produce less noise while using it. Length about 16.5cm(6.50in). Allows your handle it with only one hand. This manicure set can have your nails looking like you've had a professional manicure with just a few simple steps. Don't spend one more day with chipped, cracked or embarrassing looking nails. This manicure and pedicure kit features a high-speed rotation powerful enough to trim and shape tough acrylics and toenails, yet is gentle enough to work on cuticles and weak or splitting nails.These powerful rotations combined with each precision crafted nail head lets you sculpt, shape, smooth and shine your nails quickly and easily. The Nail Drill File Includes 5 professional attachments for smoothing corns and calluses, removing excess cuticles, and filing, shaping and buffing nails. Mini size Portable Pen can be hold and storage easily.