The Thermacell Mosquito Repellent MR300 is a portable heat activated repellent designed to provide protection against mosquitoes in a 15-foot zone. This spray repellent is specifically formulated for outdoor use, with an EPA registration number of 71910-2. Made by Thermacell and manufactured in Mexico, this unit comes in a green color and is ideal for camping, hiking, and other outdoor activities. With its convenient spray form and effective mosquito protection, this Thermacell MR300 unit is a must-have for anyone looking to enjoy the outdoors without the annoyance of mosquito bites.