PerfectFlow technology provides consistent performance, even in extreme conditions and high altitude, 1000 lumens on high casts light up to 23 meters, Lasts up to 7.5 hours on high or 13 hours on low on one 16.4-oz. propane cylinder (sold separately), Adjustable brightness gives you precise control for perfect outdoor lighting, Collapsible footed base provides increased stability and compact storage, Porcelain-coated 2-tier ventilator helps resist corrosion and rust, High-temperature globe resists cracking from heat, Bail handle for easy carrying and convenient hanging, 2 Insta-Clip #21 mantles included, 3-year limited warranty