Uniflame SkeeterVac Mosquito Eliminator, Covers 1 Acre Outdoor trap for mosquitoes and bighting insects Covers 1 acre; propane-powered with no electricity needed for optimal portability Up to 35,000 cc's of carbon dioxide output per hour for area-wide coverage Adjustable octenol release attracts a variety species for unsurpassed protection Dual trapping system with vacuum and sticky paper; instant electronic spark ignition