LEDs - Gallium Indium Nitride UV, violet, purple, blue, aqua, turquoise, green, white. Also Gallium Arsenide and others. New LED MUSEUM! GaN, InGaN, S

LEDs - .The TM-116x flashlight comes in an almost-all-aluminum body, and features a 5 watt Luxeon Star LED in its business-end to produce its light, and has two CR123A cells in the barrel to ppower that LED. The beam width is adjustable by turning the bezel (head) clockwise or counterclockwise.