Check the listing for details. Gelish Go File IQ Smart Electric File - Includes control box, dock, handpiece. Condition: New. Listed at 399.99 USD. Completely rebuilt from the ground up, IQ with Smart Torque Technology, is more powerful than the first generation Go File™ because E-File Performance isn’t about top end speed – it’s about removing power. To be the ultimate in desktop power + mobility, battery life is a key factor. The IQ™ produces 23% more torque, with 17% less power consumption. Our unique controller system senses the pressure applied to the hand-piece bit and reacts seamlessly to supply needed power to maintain its speed in 0.08 centiseconds. The IQ Smart Electric File will change the way professionals work. Working Smarter, Faster, Working Anywhere. Peace of Mind is included standard with Gelish’s first ever 2 Year Limited Warranty Program.