The Thermacell MR300 Portable Mosquito Repeller in Mossy Oak camouflage is a convenient outdoor survival gear designed for camping and hiking. With a 12-hour refill cartridge, this repeller effectively deters mosquitoes for up to 12 hours. The unit is lightweight and features a belt clip for easy transport. Made of durable plastic and powered by a 12-hour fuel cartridge, this repeller is both reusable and odorless. Perfect for outdoor enthusiasts looking to protect themselves from pesky mosquitoes while enjoying the great outdoors.