Tiny and powerful, the Transonic Bugchaser Electronic Insect Repeller eliminates bugs the instant you turn it on. Emitting sound rays both audible and silent to humans, this insect repeller bugs the bugs using frequencies they hate. The constant variation keeps the critters guessing, making this insect repellent optimally effective. With a 1500 square foot coverage area, flying and crawling insects in your basement, garage, kitchen or pantry are a thing of the past. A choice of three settings specific to your bug problem makes Bugchaser the ultimate pest control solution.