The Thermacell MR300 Portable Mosquito Repeller effectively repels mosquitoes by creating a 15 ft protection zone. The MR300 Repeller can be taken virtually anywhere outdoors to repel pesky mosquitoes, stopping them before they can bite or bother you. Features quiet ignition, reengineered grill and switch, improved ergonomics and accessory mounting system. Portable and lightweight, no spray and no mess. Scent-free and DEET-free. Includes camo holster, three repellent mats and one fuel cartridge.