Ear Plug Fit Test System, Frequencies Tested 250 Hz, 500 Hz, 1,000 Hz, 2,000 Hz, 4,000 Hz, Frequency Range 250 to 4000 Hz, Series VeriPRO, For Use With Ear Plugs, System Requirements 1.2Ghz CPU or Faster, 256MB RAM, 512MB RAM, 700Mhz CPU, 800MB, Microsoft .NET Framework 4.5, Microsoft SQL Server Express, Windows 7 or Windows 10 (32-bit or 64-bit)