The Thermacell MR300 Mosquito Repellent is a portable heat-activated spray designed to create a 15-foot zone of mosquito protection. This product, manufactured in Mexico by Thermacell, is EPA registered and specifically formulated for outdoor use. The green-colored spray effectively repels mosquitoes, providing a convenient and effective solution for enjoying the outdoors without the annoyance of pesky insects. The Thermacell MR300 is a reliable and efficient option for those looking to protect themselves from mosquitoes during outdoor activities.