One of the best in UV Gel light. It cures very fast. Four 9 watt light bulbs are included. It is safe and effective for use with topcoat or gels. A built-in timer can be set to one minute for topcoats or two minutes for gels. It is one-hand light. Never Used.. The fastest, most efficient way to give your nails a beautiful even cure. Features an automatic or manual timer. Uses ultraviolet light waves to cure gel. Cures gels in as little as 90 seconds.