IRIS 4 is a quad-function multi-laser device with a redesigned 7075 aluminum housing that is 43% lighter, 29% lower, and 28% narrower than the previous model. IRIS 4 now boasts a powerful 60mW infrared (IR) illuminator and a 1,000 lumen / 25,000 candela white light along with a VIS (visible) laser pointer and infrared (IR) laser pointer. Additionally, the IRIS 4 now features independent fire buttons for ambidextrous activation of momentary or constant ON functions of the lasers and white light. IRIS 4 also features an updated, rear-facing power and mode selector switch with improved ergonomics and feel. An all-new, three-button remote activation switch is included and features a VIS override function.