Coleman 2910A100 Mosquito Deleto 1.5D System Uses catalytic burner technology with an electric ignitor for easy start; Trap cartridge, with adhesive surface, traps and kills mosquitoes Inhibitors include patented scent which blocks mosquitoes from finding a host; New easy to move base design 24 hour protection in your back yard; Covers up to 1/2 an acre of ground Uses propane to create heat and carbon dioxide for attracting mosquitoes; For use with standard 20 lb. propane tank only Contains octenol for attracting mosquitoes' Patented cartridge design provides consistent release of octanol during use