Professional Cordless Electric Nail Drill Adjustable Direction & Speed Nail drill can provide 0-20000 rpm 5-level adjustable speed and dual rotation Easy/hard, strong/weak can be adjusted manicure is more arbitrary MAIN FEATURES Built-in LED lights Provides lighting for a shadow-free manicure process LED display Clearly display speed and battery power Rechargeable Battery Cordless Operation Brand new cordless button design, can run for 3-5 hours on a full charge High quality casing and powerful motor With high rotation speed, low noise and low heat, it creates a comfortable nail salon experience.