The Thermacell Patio Shield Mosquito Repeller combines style with effectiveness, making it an ideal addition to any patio or deck. Powered by a Thermacell fuel cartridge, it activates the repellent allethrin to create a 4.5-meter zone of protection against pesky mosquitoes. This innovative device offers hassle-free mosquito control without messy sprays or lotions, open flames, or unpleasant scents. It's perfect for entertaining outdoors, providing a comfortable environment for you and your guests. For optimal results, use on calm days with light or no wind, allowing 10-15 minutes for the protection zone to form. Backed by a 100% satisfaction guarantee, Thermacell products are safe, effective, and reliable. With Thermacell, simply turn it on and say goodbye to mosquitoes!