This ThermaCell Mosquito Repellant Appliance with Turn Dial is compact and easy to carry it weighs only 0.7 pounds. This particular model comes in an olive green color that won't give away your position in the field. Additionally this mosquito repellant device creates a cover area of 15x15 feet in which you are protected from mosquitoes black flies and other insect pests.Perhaps the most impressive feature of this ThermaCell Mosquito Repellant Appliance is that it delivers 98% protection from insects all without using DEET or harsh chemicals. It is also easy to clip on to your pants or bag you don't have to spray anything on your skin or clothes!