MOSQUITO REPELLENT SOLUTION The Raid device is designed to shield your environment from both regular and tiger mosquitoes. This electric unit offers 90 nights of reliable protection, safeguarding you against illness and viruses associated with these pests. It works effectively, even if windows are left ajar and lights are lit. With a scent-free formula, it ensures no unpleasant odors invade your space. Additionally, it comes with 2 refills for extended use.