Snark SN-2 All Instrument Tuner (5-pack) Full Color Display The Snark Chromatic All-Instrument Tuner provides a solid connection to your instrument or music stand, precise tuning, and advanced features too! Its full color display makes it fast and easy to tune, plus it's got a tap tempo metronome, pitch calibration, and a transpose feature. Use the Snark tuner's built-in mic or internal vibration sensor to tune your instrument quickly and accurately. Display Rotates 360 degrees Pitch Calibration (415-466Hz) High Sensitivity Vibration Sensor