The Peterson StroboClip HD SC-HD has the same tenth-of-a-cent accuracy as all Peterson Strobe Tuners. This versatile tuner comes complete with a bright high-definition screen over 50 Sweetened tunings alternate temperaments for a vast array of string and wind instruments and soft rubber-lined jaws to protect your instrument s finish while offering a firm grip for maximum signal tracking. Updated model with larger clap and raised power button.