100% Brand New. Voltage: AC 100-120V 60Hz Power:10 W Collect: 2.35 mm (3/32 ) Rated Speed: 20,000rpm max Color: Grey (main control machine) & Black (hand piece) Main engine size:13cm x6cmx8.6cm(5.07x2.34x3.35",approx) This new Electric Nail Art Drill Machine is perfectly used in spas, beauty parlors as well as personal use in homes. Whether acrylic, glass, or silk wrap artificial nails are being applied, this nail drill with a max speed of 20,000RMA can be great help. The ultimate nail machine allows the technician flexibility and can get the job done in much less time and in a much more efficient manner with on/off switch. Easy to use dialing speed control Low noise and vibration for smooth and long-time operation Forward and reverse operation switch Mechanical collet for security the bit firmly and easy to pull up Easy bit change using no tools Suitable for pedicure and manicure For professional salon or home use Installation and operation: 1.Insert the hand piece flex plug into power output socket on the main control machine. 2.Select grinding mould of different sizes according to actual requirements, and fasten/secure it into the front of the hand piece. 3.Connect with the main source power. 4.Choose the mode on the main control machine + (which means clockwise direction of the hand piece) or - 5.(which means counterclockwise direction) and then switch to n position. 6.Choose the mode on the hand piece N to start the machine. And choose mode FF for a pause. 7.Select the speed level that you need by sliding the speed control knob.?Please adjust the hand piece to the lowest speed before changing clockwise / counterclockwise direction? 8.After finishing, switch to FF on the hand piece and switch to FF on the main control machine and unplug it. Note: Always unplug the tool when you change accessory or collet. 1.Do not change the turning direction too frequently; otherwise it will shorten the life of the grinding head. 2.Before changing forward/backward direction or before turn off the machine, please decrease the speed of the grinding head to the minimum. 3.Do not touch the bit after use for the bit is too hot to be touched by bare hands. 4.Keep the machine out of water for it is not waterproof. 5.Keep dust out of eyes and lungs by using protective eyewear or a dust mask. 6.Always unplug it after use. When the machine is not in use, all tools must be stored in a dry location and keep out of reach of children. 7.Any unauthorized disassembling of the product is not suggested in case of any breakdown. Package Content: 1 x Nail Acrylic Manicure Drill Electric Machine (US Plug) 1x Manual