Boss DB-30 Dr. Beat Metronome

The Boss Dr. Beat DB-30 Metronome makes it easy to accurately keep time during practice. Built small for slip-in-your-case portability, a headphone jack lets you practice anywhere silently. It's easy to use, too, with a large LCD and controls for power, volume, start/stop, tape/mute, rhythm/beat, note/pitch, and tempo/value, plus lights and on-screen needle for visual feedback. More than just an adjustable click, Dr. Beat can lay down 9 different patterns, 24 beat variations, rhythm styles, and combinations to play with.

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