The Thermacell Zone Mosquito Repellent is a scent-free outdoor solution that provides 12 hours of protection against mosquitoes. With EPA registration number 71910-2, this repellent uses a control method of repel/deter to effectively keep pests away. The yellow and black plastic design is suitable for outdoor use, making it ideal for camping, hiking, and other outdoor activities. Say goodbye to pesky mosquitoes with this reliable and effective mosquito repellent from Thermacell.