Terminix AllClear ACM5000 Mosquito Mister Lantern Edition Uses an all-natural, proven effective lemongrass repellent formula Safe for people, pets and environment Perfect for decks, patios, picnics, camping, fishing, boating Repels immediately and protects for up to 10 hours per refill canister Scientifically proven to repel up to 95-Percent of mosquitoes