The Sunbeam portable bug zapper is the first of it's kind with it's cordless, rechargeable technology. Because of the built-in 6V rechargeable battery, you can place it indoors, outdoors, or anywhere you need it. The unit uses a Ultraviolent light that attracts the insects, and a high power grid silently zaps providing excellent pest protection. Other than the battery, it can also be powered using the included AC adaptor for added convenience and indoor use