Digital metronome and chromatic tuner combined. Large multi-function LCD display. Tuning range A0-A3. Tuning key C, F, Bb, Eb. Tuning guide LED's. Pitch shift 435-445 Hz. A4 tone generator. Metronome tempo 30-230 bpm (200 steps). 7 beat settings. Auto tempo degree display. Large speaker. Volume control. Built-in mic. Earphone and input sockets. 2 AAA batteries and instrument pickup included