BOSS Chromatic Tuner with Power High Brightness Mode for High Perfect for Live and Bass TU-3 Supply, Visibility, Performances, Guitar,

Smooth meter display with 21 LEDs AccuPitch Sign function lets you know when tuning is complete with an LED High brightness mode for improved outdoor visibility Guitar/Bass mode for chromatic and 6-7 string guitars, and 4-6 string basses Supports flat tuning up to 6 semitones Mutes sound when tuner is activated Equipped with a DC OUT that can supply power (9V) to other pedals Reliable long-term 5-year warranty