Bug Zapper Outdoor, Electric Mosquito Zapper, Fly Zapper Indoor Fly Traps, Repellent Outdoor Patio and Backyard Covers 1/2 Acre, 3 Prong Plug, 4200V, ABS Fireproof Plastic Outer. ABS Fireproof Plastic Material: Crafted from flame-retardant ABS material, this mosquito zapper with stands extreme temperatures, moisture, and outdoor elements. Expanded ½-Acre Coverage: High performance grids provide wide range protection up to half an acre, we recommend turning on the outdoor bug zapper two to three hours before bedtime. When hanging the mosquito repellent outdoor patio, maintain appropriate distances of 4 inches from the floor and 1 inch from walls. Additionally, position the device in a dark location to maximize its effectiveness. Hassle-Free Setup & Maintenance: Hang the unit effortlessly using the convenient ring and 3 prong plug into any standard 120V outlet. The removable bottom tray and included cleaning brush simplify debris disposal—no tools or complex maintenance required.