TechBlaze 360° Rotational Digital Guitar Tuner Electronic Highly Accurate Clip-on Digital Tuner Easy to Use Electronic Tuner for Acoustic and Electric Guitar Bass Violin Ukulele with Picks(Design May Vary) Automatic Digital Tuner  (Chromatic: Yes, Black)

Techblaze Digital Chromatic Clip-on Tuner Features at a Glance: Can be used on all chromatic tuning modes for guitar, bass, ukulele, and violin Compact and easy-to-use tuner 360-degree rotatable clip design allows you to position the tuner any way you like Easy-to-read tuning needle and green backlight for finding the sweet spot Includes a long-lasting CR2032 battery How to Use a Clip-on Tuner ?Place the tuner on the headstock so it doesn’t come in contact with the strings or pegs. Turn on the tuner and strum the E string, then move the peg to tune it. Once the display changes to green color, you’ve got the note and can move to the next string. Tech Specs Format: Clip-on Display Type: LCD Reference Pitch: A4 = 440Hz Tuning Range: A0-C8 (27.5-4186Hz) Accuracy: ±1 cent Batteries: 1 x CR2032 battery (included).