The 24hr Thermacell MR350 Portable Mosquito Repeller is designed to effectively prevent mosquitoes for up to 24 hours. This EPA registered product, featuring a model number of MR350VMI, is suitable for both indoor and outdoor use. With its olive color and compact design, this Thermacell repeller is convenient to use while camping, hiking, or engaging in other outdoor activities. The package includes 2 carts and 6 mats, providing long-lasting protection against pesky mosquitoes.