High-impact polycarbonate plastic housing with UV blacklight that attracts phototropic insects and lures them into killing grids. Once inside the killing grid, power from high voltage transformer quickly and efficiently eliminates flying insects. Unit should be placed 25 ft to 50 ft away from house or areas of human activity and at least 6 ft to 8 ft off the ground. Required maintenance is annually replacing the UV black light and periodically cleaning the killing grids. CUL and CSA listed.