Powered by 2-123 lithium batteries, the durable, reliable XO3 LED Flashlight has a patented optical system, precision machined aluminum reflector with thermal management interface that provides superior light projection and a uniform focused spot with flood beam pattern - the brightest 123A Lithium powered flashlight in the X Series. Updated performance and dual-mode functionality provides long hours of either High or Low power light output. Whether trekking, camping, or hanging out in your own backyard, the XO3 provides a steady stream of far-reaching, intense bright light to blaze the way.Features:- Dual Light Mode Functionality. Features both High and Low Light Output Modes.- LED Color: White- High-Powered energy efficient 38,900 hour LED- Patented optical system, precision machined aluminum reflector with thermal management interface.- Aerospace-grade aluminum with high grade anodized finishes- Water-resistant construction and O-Ring seals- 3 Position End-Cap Switch activates constant and momentary high and low as well as a lockout mode.Specifications:- Lumens: Low: 22 High: 228- Run Time: Low: 43 Hours High: 3 Hours 30 Minutes- Effective Range: Up to 719'- Battery Type: 2 - 123A Lithium (Included)- Dimensions: 6" x 1"- Weight: 5.57 oz.- Color: Titanium