Boss DB-30 Dr. Beat Metronome Standard

Handles time signatures up to 17 beats per measure. Rhythmic beat patterns in various styles. Headphone output with volume control. Pocket-size portability. LCD screen with smooth-flowing needle. 9 different patterns. 24 beat variations. Rhythm styles. Combinations. Odd-time signatures. Latin rhythms. Tap tempo. Internal reference tones (12 semitones). Power, volume, start/stop, rhythm/beat, note/pitch, and tempo/value controls. Lights and on-screen needle for visual feedback. Auto power off.