ANSI/NEMA FL1 Standards-Light Output Lumens: High 90/Low 13; Run Time: High 1H/Low 29H; Water Resistance: IPX4; Impact Resistant: 1m; Range: 59m Battery Type: 1-AAA alkaline battery, included Patented optical system, precision machined aluminum reflector with thermal management interface Aerospace-grade aluminum with high grade anodized finishes 3 Position End-Cap Switch activates constant and momentary high and low as well as a lockout mode