This thingie i made is called a MinceFinkx. the meter tells you how screwed up you are that you bought this as you use it. Why did i make it? because, grandpa needed to hear me talk to him as he is hard of hearing. but first, i had to probe his brain with direct screeches and train wrecks.
to hear this thingie, the MinceFinkx, go hear: http://www.buzz-r-electronics.com/Exotic%20Electronics_files/mccain.mp3