Features:, 41 LED Multi-Function Tracking Light, Precision Machined aircraft aluminum head and barrel, 2-position barrel mounted switch for standard flashlight and blue/red tracking modes, Custom designed array of 8 Red and 13 Blue LED"s allow for pinpoint tracking of wounded game, 20 High power LED elements provide powerful light path in standard mode, Water resistant O-ring seal construction, 50,000 average LED life, Operates on 4-AAA Duracell alkaline batteries (included), 10 year limited warranty, Dimensions L x H x W: 8 x 5 x 2, 25 SKU: STRG043