ENO Strobe Guitar Tuner, Clip on Bass Tuner, LED and LCD Display, Vibration Sensor, Compact and Swivels 360 Degrees LCD neon indicator displays note and string number of instrument for simplistic tuning in any light with a vibration sensor that gives you the ability to tune in a noisy environment without a problem Preset Tuning Modes For Guitar Acoustic Electric Classical Bass (Including Single and Double Flats) Violin,Ukulele,Chromatic For Insane Harmonious Sweetened Tuning Clip Mechanism Spring Loaded, Strong Rubber Clamp Protects Instrument, 360 Degrees Swivel Makes Viewing A Breeze Even For A Lefty 100% Money Back Satisfaction Guarantee And World Class Customer Service! Deadly Accurate Precision Strobe Sensor Tunes Note to 0.1 Cent and Makes the Tedious Chore of Tuning Actually Fun!