Etshera Housewares owns Boundery, a company known for its outdoor products like the Bug Bulb. In conclusion, routine maintenance tasks for Bug bulb Light Zappers include cleaning the electric grid and replacing bulbs when necessary. Flying insects are attracted to the 40-watt UV light before they are killed by the high-charged electrical grid. Garbage Guards can cover an area of up to 50 square foot, so only use one per barrel. The manufacturer's site accepts popular credit cards like Visa, MasterCard Maestro, American Express Discover Network and others. This portable electric mosquito trap can be assembled easily and is even easier to use. This bulb emits LED ultra violet light at a high-frequency and delivers an electrical charge through its metal grid. They may not be effective at eliminating insects, as their effectiveness is restricted to the area around a candle. These bug zapper bulbs have a lifespan of about 2500 hours, and UV emission is 365nm. The item comes in a two-pack and the low quality was highlighted by the fact that when it arrived, one of the guns had a missing piece of the disc.