The Thermacell E90 Graphite Mosquito Repellent is a durable and effective outdoor solution for repelling mosquitoes. With a 9-hour charcoal style and EPA registration (EPA number 71910-11), this rechargeable repeller provides up to 12 hours of prevention. The lightweight design and lithium-ion battery make it convenient for camping and hiking trips, while the graphite color adds a stylish touch. Made from high-quality materials sourced from Thailand, this Thermacell model is a reliable choice for controlling mosquitoes in the great outdoors.