It comes to you in New and Fresh state Designed specifically for acoustic guitar, ukulele, and other acoustic instruments, the chromatic NS Micro Sound hole Tuner remains perfectly concealed within the instrument’s sound hole for discreet tuning. The non-marring universal mounting clip allows stress-free installation, while the highly sensitive piezo transducer senses vibrations directly from the soundboard for fast and accurate tuning response. The bright, multi-color display allows easy viewing in any environment. It’s so small, convenient, and accurate, you’ll want one for every acoustic instrument you own! D’Addario electronic tuners are designed by musicians for musicians featuring intuitive features, easy to read display's, and exceptional tuning accuracy. What you see is what you will get

Non-marring sound hole clip Calibration range 435-445 Hz Perfect for Acoustic Guitars, Ukulele, and other acoustic instruments Fast, accurate response Multi-color display