35000rpm Manicure Machine Electric Nail Drill Machine 35W Electric Nail File Led Display Nail Drill Polisher Nail Salons Features: HdDigital display revolution. Magnetic absorption for nail drill bits. NO noise, no vibration or heat. Specifications: Power:30W Material: Aluminum + ABS + Stainless steel Main machine weight:365g Main machine size:126*121*38.5mm Rotate Speed: 0-35000rpm Grinding diameter :2.35mm Input Voltage: Ac110V/220V,50Hz/60Hz Output Voltage:Dc3V-18V Digital display gear: 0-35 Multifunction: Combination of fast converting polisher and multi-function power box .Carving, Engraving, Routing, Grinding, Sharpening, Sanding, Polishing for Acrylic Nails,Gel Nails,Artificial Nails,Natural Nails,Pets' Nails,not suggest using for something hard. Package included: 1 pcs Main machine 1 pcs Nail Drill Pen 1 pcs Power Line 1 box Nail Drill Bits(4pcs) 1 pcs user manual Question & Answer: Q1 : Does it has memory function ? A : Yes ,When you turn on the nail drill machine , it will start work at the gear you turn off the last time. Q2 : Can the sander change direction of rotation (left/right)? A : Yes.you can control it via touch the panel rotation mark.