"The Thermacell MR300 Portable Mosquito Repeller creates a 15' no-fly zone for pesky mosquitoes, so you can enjoy your time outdoors without being bothered. There's no scent, no mess, no open flame, and no smoky candles. Just a quiet, invisible shield of insect repellent around your campsite, stand, or backyard get-together. The light, portable system makes it easy to pack in the truck or in a backpack. Also features an accessory mounting system, which allows you to attach the included holster. DEET-free. The Thermacell MR300 Portable Mosquito Repeller includes a camouflage holster, 3 repellent mats, and 1 fuel cartridge for up to 12 hours of refills. Mfrs. 1-year limited warranty. 7.9""H x 3.9""W x 2""D. Weight: .8 lbs.Manufacturer model #: MR300F. Creates a 15' zone of protection against mosquitoes No scent, no mess, no open flame, and no smoky candles Quiet operation Light and portable design Accessory mounting system DEET-free"