The most thorough and even curing UV lamp available today. Advanced technology proves that two bulbs are better than 3 or more. The patented Light Source, features a parabolic reflector system designed to intensify and focus the power of each bulb. This quadrilateral curing effect creates an ultra fast, safe and even cure. Gel it! value package contains: (1) EzFlow Light It! (1) Timer (1) Warranty (1) DVD Instruction (1) Window Decal Special Note: This UV Gel Light is designed for use within USA and Outside of USA where the electric voltage is range from 110 thru 240 volt. AC Adapter - Input Voltage: 100 thru 240VAC