MOSQUITO PROTECTION THAT WORKS: Thermacell effectively keeps mosquitoes up to 15FT away. Works fast, get max protection in 15 minutes. Easy to use. Portable device is ideal for backyard, poolside, patio, and beyond. | EFFECTIVE 15FT ZONE TECHNOLOGY: Engineered to precisely diffuse repellent, creating a 15-foot zone of mosquito protection. Consistent repellent protection won’t weaken over time. Powered by a safe and compact fuel cartridge. | REPEL MOSQUITOES IN AIR, NOT ON YOUR SKIN: Repel mosquitoes without DEET sprays or lotions on your skin. Unscented repellent mats last up to 4 hours each and change color when time to replace. No smoke, no flame and easy to refill. | PROPRIETARY FORMULA: Independently tested and EPA reviewed for safety & effectiveness. People and pet friendly. For outdoor use only. | 100% SATISFACTION GUARANTEE: At Thermacell, we stand behind the performance and quality of our products. If you are not happy with your purchase, you may return it to us for repair, replacement or refund. Please contact service@thermacell.com.