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 and is ideal for use while entertaining guests, gardening, around the backyard, and more. Decorative black lantern provides ambient lighting powered by flickering LEDs- lantern and repellent operate independently or together. Lantern features multiple light modes, including flickering and steady light. No spray and no mess. Scent and DEET-free. Requires 4 AA-batteries. Package contains- lantern and 12 hours of refills – 3 repellent mats and fuel cartridge.