Used condition, but works great.

• Professional guitar and bass pedal tuner offers ultra- precise tuning with an accuracy of +/-0.1 cents.
• Support for seven-string guitars and six-string basses.
• In addition to chromatic tuning and standard guitar/bass tuning, the Pitchblack+ supports open D, open E, open G, open A, and DADGAD. You can also create and save five of your own custom tunings.
• Tuning is easily seen by a newly developed “dual meter” using large extra bright LEDs.
• Two instruments can be connected simultaneously, with separate tuning settings for each.
• A broad tuning detection range from E0 (20.60 Hz) to C8 (4186 Hz).
• Calibration is adjustable from 436-445 Hz.
• True Bypass output keeps your tone intact at all times.
• A 9V DC output jack is provided to power other pedals in your pedalboard.
• Tough aluminum die cast body for superb durability.