The Black Flag BZB-10N indoor and outdoor light bulb allows you to deter and kill pests invading your home and patio such as mosquitos, flies, and other insects. Screw in the light bulb to any indoor or outdoor standard light socket and lure bugs to the killing grid with the purple UV bulb. Kills bugs on contact. Doubles as standard use lightbulb, providing 9W LED white light that is equivalent to a 65W fluorescent light bulb. Turn white light on and off as desired while the bug zapping feature remains constant. 10,000-hour lifetime. Includes a cleaning brush located inside the light bulb housing.