The Thermacell Mosquito Repellent Rechargeable Repeller Device E-Series is a durable, plastic outdoor repeller designed to target mosquitoes. This device, powered by a rechargeable USB source, includes a single base unit and a repellent cartridge. With a black color and scent-free feature, this lightweight repeller is a convenient and effective way to deter mosquitoes from your patio or yard. Proudly manufactured by Mosquito Repellents, Inc., this EPA registered product ensures a hassle-free and comfortable outdoor experience without the need for sprays. Brand new.