TC ELECTRONIC POLYTUNE 3 NOIR I am selling this tuner because I purchased it, used it twice, and then no longer needed it after buying other equipment. I have confirmed that it works without any problems. Please refrain from purchasing if you are overly concerned about minor imperfections, as it has been used a few times. Specifications: ■ Pedal-type tuner for guitar/bass ■ POLYTUNE series ■ Features ・Compact tuner with high-quality buffer ・Equipped with 3 tuning modes - Polyphonic: Displays tuning information for all 6 strings at once (6-string guitar only) - Strobe: Ultra-high precision tuning mode with ±0.02 cent accuracy - Chromatic: Quick tuning mode with fast response ・Built-in ON/OFF switchable high-quality BONAFIDE BUFFER ・True bypass/buffered bypass switching ・Always-on mode setting allows you to always check your tuning ・High visibility in any location with high-altitude LEDs ■ Specifications ・Bypass Mode: True bypass (buffered bypass selectable) ・Input Connector: 1/4" mono standard phone ・Output Connector: 1/4" mono standard phone ・Calibration: A=440Hz fixed ・Tuning Range: A0 (27.5 Hz) ~ C8 (4186 Hz) ・Current Consumption: >100mA ■ Dimensions: W51mm x D93mm x H45mm ■ Power: DC9V center negative adapter (sold separately, batteries not supported)