These units are in good condition with only minor scratches from normal wear and tear. We have several in stock, so the unit you receive may not be the exact one in the photos; but they are all in equivalent condition. The Models 2015-P and 2016-P Audio Analyzing Digital Multimeters and the Models 2015 and 2016 Total Harmonic Distortion Multimeters combine audio band quality measurements and analysis with a full-function 6-1/2-digit DMM. Test engineers can make a broad range of voltage, resistance, current, frequency, and distortion measurements, all with the same compact, half-rack measurement instrument. Specifically, the harmonic distortion multimeters allow for high performance and broad-purpose frequency domain measurements and spectrum analysis.