After-Sales Service?: 12-month warranty , Any product quality problems, We can unconditional refund, So if you're not 100% satisfied, don't hesitate to let us know , 24-hour friendly email customer service. Low Noise & Low Heat?: built of a powerful yet quiet motor with smart heat dissipation, It makes the electric file low heat, low noise. low vibration design for comfortable grip. It is ideal for both professional use in salon and beginner at home. Adjustable Speed&Direction?: Speed control button to adjust the speed 0-25,000 RPM, smooth operation, Low Vibration. and the Forward and Reverse operation, direction of the rotating bit, which enables any right-handed or left-handed use. Multi Function Nail Drill Kit?: 11pcs different nail drill bits and 6pcs sanding bands, Remove acrylic gel nails easily, gel polish dip, powder nails as, well as removal cuticle dead skin, calluses, manicure, pedicure, polishing, sanding. Appearance Design?: nail drill machine has a Adjuatable Speed Knob, variable speed control. provide foot pedal function, you can choose hand or foot mode for your convenience. Forward and Reverse operation, direction of the rotating bit.