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 TZ15 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.