MELODY SUSIE: at home nail drill, set everything included in photos

What’re its key Features? (1) 0-20,000 RPM continuously variable speed switching. (2) Forward /reverse directions, pause 2 seconds to protect the motor. It is also suitable for left-hand. (3) Low heat, low noise, low vibration, and portable compact. You can easily use the nail drill and change the nail drill bit. (4) Designed with 6 kinds of metal bits (also works with all kinds of 3/32” shank bits) and 6 sanding bands. Specifications: Input Voltage Range: 110V-240V 50/60Hz (US Plug) Output Voltage: DC12V 1A Handpiece Length: 5.1 inches Handpiece Weight: 2.2 ounces Cord Length: 55 inches