The Thermacell Cambridge Mosquito Repellent Lantern effectively repels mosquitoes by creating a 15 ft. zone of protection. Its ambient light and decorative design perfectly adorn your deck or patio. No spray, no mess, no open flame, and no smoky candles – just a lantern and repellent that can operate independently or together. Features multiple LED light modes, including flickering and steady light. Package contains 1 lantern, 12 hours of refills, 3 repellent mats, and 1 fuel cartridge. Requires 4 AA batteries (not included).