Solve your pest problem quickly and quietly with the DynaTrap 1/4 Acre Mosquito and Insect Trap. This trap produces CO2 through a chemical reaction to attract and trap mosquitoes in a quarter-acre radius, so you can take back your yard. This trap doesn't zap or buzz and the fan is inconspicuous for quiet use, while the weather-resistant construction is safe for use indoors and outdoors.