The ThermaCell Patio Shield Mosquito Repeller is a compact and stylish device that repels pesky mosquitoes from your yard or deck by creating a 15 shield. This ThermaCell insect repellent is ideal for outdoor entertaining because there are no odors or open flames. Guests can enjoy the outdoors insect-free without the use of messy sprays or oily lotions. The device is cordless, portable, and lightweight. Includes 1 Patio Shield Repeller, 1 outdoor cap, 3 repellent mats, and 1 butane cartridge for 12 hours of use. DEET-free. Colors: Green, Blue, Red, Black. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Repellent Devices.