Nite Ize Inova X2 Flashlight - Black High-powered, energy efficient 38,900 hour LED Water-resistant construction and O-ring seals Aerospace-grade aluminum with high grade anodized Finishes ANSI/NEMA FL1 Standards-Light Output Lumens: High 190/Low 43; Run Time: High 1H30M/Low 24H; Water Resistance: IPX4; Impact Resistant: 1m; Range: 162m Battery Type: 2-AA alkaline batteries, included Patented optical system, precision machined aluminum reflector with thermal management interface Aerospace-grade aluminum with high grade anodized finishes