the DM51 clip-on metronome is the replacement for the ever-popular Seiko DM50. Like the DM50 it offers a surprisingly clear and loud sound from a small portable body. Notable features include flashing lights indicating tempo adjustable volume and user friendly buttons. The DM51 has an improved rotary volume control for quick volume adjustment. This handy clip-style digital metronome attaches neatly onto music stands music instruments clothes hardware items rims and dozens of other places. Tempo range of 30 to 250 beats per minute. Beat accents 0 1 3 4 5 6 7; rhythm accents 8th notes triplet 16th notes; tempo indicator motion LCD plus 1 LCD; rotary volume control. Lithium battery included. Although the Seiko DM51 Metronome is small thin and light don t let its pocket-sized body fool you. The DM51 packs the functionality needed for practicing a variety of music. This metronome is also great for runners golfers exercising dog training horse back riding bike riding therapy or any task that needs a set pulsing tempo.