The Thermacell Mosquito Repellent E-Series is a 2-pack rechargeable device that provides 12 hours of protection against mosquitoes. This blue aerosol spray is lightweight, easy to pack, and reusable, making it perfect for outdoor activities. Made of plastic and powered by batteries, this product is EPA registered and ideal for preventing mosquito bites while camping, hiking, or engaging in other outdoor adventures. Designed by Thermacell, a trusted brand in insect repellents, this device offers a convenient solution to keep mosquitoes at bay.