TC Electronic POLYTUNE 3

effects pedal, polyphonic tuner/buffer, Bonafide buffer circuitry preserves your tone through long cable runs and multiple effects, polyphonic tuning - tune all strings simultaneously, fast chromatic tuner offers 0.5 cent accuracy, ultra-precise strobe tuner gives you ±0.02 cent accuracy, ''always on'' tuning mode keeps tuner on and detecting even when not muted, automatic brightness adapting Super-bright 109-LED display, automatically switches between polyphonic and monophonic tuning, footswitches: On/Off/Mute, True Bypass, current draw: 300 mA, powered by a 9V battery or a 9VDC power supply,dimensions: 72 x 122 x 50 mm, 0,3Kg.