The Stinger Replacement Bulb, B1515, lets you protect approximately a half acre from flying bugs. It uses a light to draw in, then zap, pests. This 15W replacement bulb is easy to install, so you can enjoy protection with very little downtime. It's designed to last a long time and should be replaced either annually or as the lights go dim. The bulb is durable enough to withstand outdoor use for extended periods. It's compatible with the UV15, FP15 and UV15-BL Stinger models. Stinger strives to find new and innovative ways to keep your garden and outdoor seating area free of bugs and pests. With a full suite of products, Stinger does everything they can to make sure no one gets stung.