Versatile digital metronome that delivers a loud, clear beat. LCD display with digital/dial tempo selector. Large LED tempo indicator. Tempo range from 30-252 bpm. Three PCM metronome sounds, 19 built in beats including polyrhythmic divisions. Generates 12 reference pitches from C4-B4 and A410-480 with +/- 1 cent precision. Includes adjustable volume control and 1/8" earphone jack. Requires 4 AAA batteries (included). Size 4.17" x 1.91" x 4.19".