The Sidewinder Boot is the new standard flashlight for boot camp recruit/basic training and wherever extra military instruction occurs. - Features white LED with high and low modes: - High: 55 lumens; 63m beam; runs 8 hours (additional 20 hours at 7 lumens) - Low: 7 lumens; 24m beam; runs 90 hours - Integrated slide-in-place red filter - Uses two (easy to find) AA alkaline batteries; also accepts two AA lithium batteries for extended operation in extreme temperature environments (-40