Mosquitoes ruin everything. Thermacell’s award-winning technology keeps mosquitoes away by creating a 20FT protection zone around you. Our proprietary formula precisely targets mosquito sensors, driving them away. With consistent protection that doesn't weaken over time, Thermacell helps you live your best outside life without the use of bug sprays or lotions on your skin. Two repellers featuring 6.5-hour rechargeable batteries. The units include an always ready wireless dual charging dock featuring 3 times the charging speed. Allowed to bring on Airplanes. 160 hours of mosquito repellent included.