Advanced multi-function metronome for piano beginners or beginners of other instruments that also features integrated clock and thermometer with humidity meter. It offers a wide tempo range of 30-280 bpm with tempo precision of +/-0.3%, 0-9 beat and reference tone range of 4C-4B. Metronome allows choosing an electronic sound or human voice, and setting the timer for up 90 minutes. Tap function allows setting of user’s very own tempo. Metronome also provides an earphone output so it can be used as a “click track”, and line input that allows listening to the music and playing along. Metronome operates with four AAA batteries or DC 9 V. Dimensions: 106 x 95 x 152 mm. Weight: 320 g.