Enjoy the outdoors more with the ThermacellA(R) Portable Mosquito Repeller. The compact fuel cartridge powers the Mosquito Repeller for up to 12 hours. Simply add the repellent mat to the Repeller and enjoy a 15-foot zone of protection for up to 4 hours per mat. Plus, the camo holster makes this Repeller perfect for protecting yourself from pests when on the hunt. Portable Mosquito Repeller 15-ft. zone of protection 12-hour fuel cartridge heats up repellent mats Mats last up to 4 hours each and change color when it's time to replace Heat-activated technology Includes (1) repeller, (1) camo holster, (1) clip, (1) 12-hour fuel cartridge and (3) 4-hour repellent mats