Thermacell provides zone mosquito protection that keeps mosquitoes up to 15 ft away, stopping them before they can bother or bite you. Thermacell’s zone repellent technology eliminates the need for messy lotions or sprays, so you and your family are free to enjoy the outdoors, without worrying about mosquitoes or the harm they may cause. Thermacell repellent devices are either powered by a small fuel cartridge or a rechargeable battery, providing effective and efficient scent-free mosquito protection.