Amazon.com: TC Electronic POLYTUNE CLIP Clip-On Tuner with Polyphonic, Strobe and Chromatic Modes and 108 LED Matrix Display for Ultimate Tuning Performance : Musical Instruments
User manual TC Electronic PolyTune Clip (English - 14 pages)
tc electronic PolyTune Clip Tuner – Thomann United States
TC Electronic PolyTune Clip Clip-on Polyphonic Tuner Headstock Tuner with Adaptive LED Display Multiple Tuning