Keep pesky mosquitoes away with the Thermacell Radius Zone Mosquito Repellent. Designed to be used outdoors, this odorless and rechargeable device operates on batteries and is made of lightweight plastic. The device works by emitting a repellent that lasts up to 12 hours, providing a full day of protection against mosquitoes. The Thermacell Radius Zone Mosquito Repellent features a spray form, making it easy to apply. It comes in a sleek black color and is EPA registered with the number 71910-9. This package includes one unit of the Thermacell Radius Zone Mosquito Repellent, perfect for outdoor enthusiasts who want to keep mosquitoes at bay during their camping or hiking trips.