When the fish are biting, that's a great day on the lake. When the bugs are biting, the day's not so great. Fight back with this Thermacell® Trailblazer Repeller Lantern. Get a 15' x 15' zone of protection from mosquitoes, black flies, and no-see-ums with this dual-purpose Lantern. A butane cartridge heats an insect repellent mat that releases allethrin into the air to ward off those pesky bugs so you can stay outside longer. The 300-lumen LED lantern features 4 light settings (high, medium, low, and SOS strobe), a 20m beam distance, and a runtime of 50 hours when set to high. Built-in clip lets you hang it up virtually anywhere. Rugged, water-resistant lantern with heavy-duty rubberized base. Powered by 4 D-cell batteries (not included). Includes butane cartridge (lasts up to 12 hours) and 3 insect repellent mats (each lasting up to 4 hours).