Boss TU-3 Chromatic Gítarren Tuner

Cent mode (display as a classic tuner) or Stream mode (running light display)21 Segment LED meterTuning range: C0 (16.35 Hz) up to C8 (4.186 Hz)Accu-PitchHigh-Brightness modeChromatic tuning in accordance to note names or string numbers 1 to 6Flat Tuning up to 6 semitones belowMute or BypassAlso suitable for 7-string guitars and 6-string bassesAccuracy +/- 1 CentAdjustable reference tone from 436 up to 445 HzPowered with 9 V batteries or 9V DC power supply (coaxial connector - negative pole inside, not included, needs to be ordered separately under Article Nr 409939)Dimensions (WxHxD): 73 x 59 x 129 mmWeight: 390 g