Thermacell Repellants MRCL Camp Lantern 15-foot mosquito protection zone. Turn it on Mosquitoes Gone! Also functions as LED lantern with 4 light settings, 300 lumens and runtime up to 50 hours Lantern and repellent operate independently Scent-free and DEET-free No messy sprays or lotions. No open flame, no smoky candles Lantern features a battery power indicator and a built in hanging clip 100% Satisfaction Guarantee on all Thermacell products Package contains: 1 lantern and 12 hours of refills  1 Max Life 12-Hour repellent mat and 1 fuel cartridge. Requires 4 D-batteries (not included).