1It has a powerful 35000 rpm motor with adjustable speed dial and digital speed display. 2The machine head is smooth and quiet, with minimal vibration and noise. 3It can display the speed and power status, and clearly know the running status of the machine. 4The device is equipped with a protection system. When the overload protection function is activated, the handle will stop working to avoid overheating due to improper operation. 5With a clip on the back, you can easily do nail art anytime and anywhere with the clip on the waist. 6The handle shape is all metal, suitable for mold cutting, engraving, denture grinding, nail polish, nail gel removal, dead skin removal, etc. Condition:100% Brand NewItem Type:Electric Nail Drill Power: 25W Voltage: 110~240V Material: ABS Optional Color: Black, White, Pink Speed: 35000rpm Battery Type: BuiltIn Battery Battery Model: 444258 Battery Capacity: 1680mAh Size: Approx. 140mm/5.5in, 155mm/6.1in, 27mm/1.1in, 75mm/3in Product Features: Grinding, polishing, removing nail gel, exfoliating, and engraving curvature. It is suitable for mold grinding, cutting, polishing, tooth manufacturing processing, denture grinding, handicraft processing, carving, grinding and polishing, various nail, accessories beauty operations. Purpose: Home, Nail art salon 6Piece Drill Function: 1. 3 rough diamond drill bits: can be used for nail thinning, shaping and etching 2. 3 fine diamond drill bits: can be used to remove gel polish, clean under nails, refine the epidermal area and shape. Instructions for use: 1. Plug the phone into the DC output socket on the host. 2. Insert the host plug into an appropriate power socket. 3. Insert the drill directly into the chuck of the mobile phone. 1 x Host 1 x Polish Pen 1 x Power Plug 1 x Polishing Pen Cable 1 x Polishing Pen Holder 1 x Polish Pen Base 6 x Polishing Head 6 x Sand Circle 1 x Manual When using an electric file, do not unlock the twistlock handle, because this will damage the debris. If you want to turn off the electric file or change the drill bit, you must turn the quick dial to the "o" position to avoid damage to the motor.