Looking for a high-quality portable nail drill?1.Professional powerful nail drill machineUpgraded with high-quality bearing and superior torque, which enables our nail drill to work smoothly at high and adjustable speed. (0-30000 RPM) 2.Meet Normal Multi Uses6pcs professional grinding heads for convenient replacements and variable speed control, great for grinding, cutting, carving, removing gel polish and cuticles for natural nails, acrylic nails and gel nails.3.Long Battery Life, Built to LastThis cordless nail drill equipped with a large battery capacity(2000mA). Full charging time ONLY 2 hours, and continuously operate UP TO 10 hours.4.Super Easy to Use, Ideal Choice for Professional Use or Beginner UseF-Forward and R-Reverse buttons allow you to change the direction of the rotating bit, which enables any right-handed or left-handed use. Besides, this electric nail drill for acrylic nails has a smart LCD Display, which can show clearly the suitable RPM to choose and accurate battery remaining capacity to recharge.Using Tips:1.This product is designed for 0-30000 rpm adjustable speed. When using, please slowly adjust from low speed to a higher speed than you like.High-speed motors will inevitably generate heat, please do not use the nail drill for too long each time. When you feel the nail drill is overheated, please stop using it immediately and use it after the heat has dissipated.2.The step of changing the grinding drill:Turn left (Clockwise) to unlock until you hear the “ click” into place.Take out test bit.Insert your desired bit.Turn right (Anti-clockwise) to lock the bit tightlySpecification:Input Voltage Range: AC100-240V/50-60Hz Output voltage: 24.0V 1.0A Battery Capacity: 2000mA(11.1V)Rotating speed：30000rpmCharging time: 2-2.5 hours