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 instruments finish while offering a firm grip for maximum signal tracking. Updated model with larger clap and raised power button.