[Low Heat/Noise]: The professional nail drill for acrylic nails is designed with a brushless motor, aluminum alloy body, high-quality bearings and internal cooling system. [Maximum speed 45000RPM]: The rechargeable nail drill matched with a mobile power supply can work for up to 10 hours after being fully for 2 hours. [LCD Smart Screen]: The LCD smart screen can clearly display the speed, rotation direction and remaining power so you can operate as [Multifunctional]: The acrylic nail drill can be used for grinding, cutting, polishing, acrylic powder, carving and removing gel nails, cuticles and dead skin Does not hurt hands and nails.