Yellow lights--and red lights--do not attract insects as much as regular white lights," Russell says. They can be used in various settings such as gardens, patios, porches, or even indoors, depending on the specific model and design. Maintenance requirementsBug bulb Light Zappers require only occasional cleaning of the grid and replacement bulbs when needed. The Boundery Bug Zapper’s main function is to eliminate pests from your home. They are electrocuted when they come into contact with an electric grid. Electri Zap has a commitment to safety, environmental consciousness and performance. PayPal is a trusted and safe online payment system. Whether you're exploring a campsite, relaxing on a patio, or embarking on an RV trip, this versatile device ensures that you have ample lighting for your convenience and safety. Once the lid is closed, the toxin builds up enough to kill any flies or maggots trying to make a living in there. Get rid of the dead debris on the bulb by using the cleaning brush or by rinsing with water since it is waterproof or resistant.