Zepol Labs Mergence Wall Sconce Fly Trap Fly Light Fly Zapper Bug Zapper Flying Insect House Fly Light Trap - Black Designed to be visually attractive, effective, and un-noticeable to customers. Higher catch rates and fly control results, Easier to service, maintenance friendly, replacing glue pads and bulbs takes less time Features the newest technology in UV bulbs, the BL368's last longer at a higher UV spectrum and at a higher lumen output. Covers up to 2000 sqft Features proprietary technology to attract flies based on scientific research of their behavior.