The WorkStar® 220 is a professional, 3xAAAA battery LED penlight that produces 140 lumens, runs for 35 minutes and is competitively priced. The MAXXEON WorkStar® 220 is a professional LED penlight that uses 3 AAAA Alkaline batteries. LED penlights and LED inspection penlights generally have weak and/or narrow beams. It has a bigger and brighter beam to perfectly illuminate your work.