Nite Ize Inova XO3 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 228/Low 22; Run Time: High 3H30M/Low 43H; Water Resistance: IPX4; Impact Resistant: 1m; Range: 219m Battery Type: 2-123A Lithium batteries, included Patented optical system, precision machined aluminum reflector with thermal management interface Aerospace-grade aluminum with high grade anodized finishes