Parameter Modle:109 Certificate:CE FCC ROHS Speed:35000RPM Charger:TYPE C USB and Stand charger. Voltage: 100V-120V 60Hz; 220V-240 50HZ; Feature [Meet Normal Multi Uses andamp; Easy DIY Manicure at Home]This nail drill machine is powerful and smooth enough for natural acrylics nails, gel polish dip powder nails as well as removal cuticle dead skin, calluses. Professional for both home and salon use, for carving, engraving, routing, grinding, sharpening, sanding, cutting, polishing, drilling, and perfect for pet nail sanding. [Revolutionary design brushless motor]High-Speed 35000rpm Equipped with a bearing enables to work smoothly at a high and adjustable speed (0-35000 RPM) by rotating the speed control knob easily, click the control knob you could switch rotate direction "F-Forward" or "R-Reverse" easily. Ideal for both professional technicians in salon and beginners who start their nail-beauty journey at home. [Stand charger design]Many manicurists worry about the inconvenience of the portable sander. The bracket type charger can solve this problem for you, it can charge the machine, and can also be used as a stand for the machine. [Upgraded Handpiece]This nail drill has the characteristics of high precision and high torque and has truly achieved low noise, low vibration and low heat. Ventilated design reduces the temperature of the handpiece. Comes with 6pcs professional nail drill bits for convenient replacements, and it works with all kinds of 3/32" shank bits. Meet your multiple manicures that need even a simple cuticle removal or trim. [Portable and USB Rechargeable E-File]Come with 4000mAH large battery capacity, you can use this nail drill anywhere anytime. Fully charged for about 8 hours, the electric nail drill can last 24 hours operation time. A smart LCD screen on the E-File will show the present rotating speed and electricity clearly. [Efficient andamp; No Worry After-Sale Service]Our electric nail drill set has approved the RoHS FCC CE Certificate, ensures you safe and reliable nail drilling experience. So any questions please just contact us We will try our best to fix your problem.