Nite Ize Inova XS Flashlight - Black Water-resistant construction and O-Ring seals High-Powered energy efficient 38,900 hour LED Aerospace-grade aluminum with high grade anodized finishes 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