Ann: Hardware and Wearable Devices to Expand ResApp's Markets, page-142

Gnats are small pesky flies that are found all over the nation both indoors and outdoors. They are attracted to odors, lights and moisture, and they make a high-pitched buzzing sound. There is a much larger population of gnats in warmer climates, and although they are a big annoyance, they only reach an average size of 1/8 inch. These insects are more annoying than dangerous, however they can carry disease and illness.
‘Resapp are attracting more and more of these as we approach our goal.