The Coast Rechargeable Penlight, No. HP3R, provides 245 lumens of light that can be focused. Utilizing the company's Flex Charge Dual Power System, this light harnesses either lithium or alkaline power. By using a micro USB, users can recharge the batteries or swap out to alkaline when needed. With a diameter of approximately 0.5" (12.7mm), the compact, lightweight penlight offers high and low modes as well as twist focus. The HP3R's Universal Focusing Optic provides a broad, consistent flood beam and a long distance spot beam. The HP3R is impact- and weather-resistant, includes a pocket clip and is backed by a lifetime warranty against defects in materials and workmanship. It is tested and rated to ANSI/FL1 standards.