Snark SN-3 Chromatic Guitar Tuner

The Chromatic Guitar Tuner is optimized for accurately analyzing guitar frequencies and can be used with acoustic and electric guitars via the internal microphone or 1/4" input jack. Additional functionality includes a visual metronome with tap-tempo. Once the tempo is set, the heart-shaped LED will blink at the desired tempo. Product Specifications: Input: 1 x 1/4"" instrument Internal microphone Pitch Adjustment: Reference A4 setting: 415 to 466 Hz Power: 2 x AAA batteries Shipping Weight: 1 lbs Shipping Dimensions (LxWxH): 2 x 1.8 x 0.4"