The Mosquito Magnet Defender is designed for the homeowner with a smaller yard at a more affordable price. * Easy 3-step assembly * Quick start-up * Compact, easy to empty net * All-weather performance * 50-ft. low voltage cord included (burying clips included) * Sled base * One-year warranty SIZE: 25" x 18" x 33" COVERAGE: up to 1/2 acre CONSTRUCTION: Furniture-grade PVC POWER SOURCE: Low-energy 12-volt power supply to power the trap (included); propane to create CO2 MAINTENANCE: Refill propane tank and replace attractant every 21 days. Empty net as needed.