Lightweight and ergonomic LED curing light with a whisper-quiet fan that keeps cool for continuous operation. Features the breakthrough “periodic level shifting” (PLS) that delivers a true 5-second cure for universal composite shades A3 and lighter. PLS allows the unit to pulse from a baseline output of 1100 mW/cm2 to a peak of 1330 mW/cm2 for 1/4 second of each 1-second exposure. Offers 5-, 10-, and 20-second preset timer settings. Multiple holding options reduce hand and arm fatigue. Exterior is made from GE Valox® resin, a high-performance plastic that will protect and extend the life of the unit. 3-year warranty.