Tell pesky mosquitoes to "bug off" by bringing home the Mosquito Sentry today. Using 100% green and natural ingredients, the Mosquito Sentry offers insect protection in a large area. It uses a patent-pending vapor technology to continuously disperse an all-natural repellant. The repellent used in this system is made from plant oils and is completely safe for you, your family, and your pets. It's even found to be more effective than Deet and Citronella. When used as directed, the plant oils in the repellent are safe for humans and pets in every way including skin, oral, eyes, and inhalation. Say 'farewell' to harsh, potentially dangerous insecticides. Simply add the ready-to-use repellent (not included) to the Mosquito Sentry and turn it on. It starts working immediately.