Features: Size: 6h x 2 3/4w x 1 5/8"d. Made in Germany. Range 40 to 208 beats per minute. Clear snap on cover. Color: Black with silver trim One year warranty. The Wittner Taktell Classic metronome is a very dependable key wound metronome at a low price. Average winding of metronome will give about 30 - 40 minutes of use. Simply slide the weight on the arm to the tempo you desire. The sound is a very audible click with the arm moving back and forth for great visuals of the beat. The metronome could fit in a small bag or pocket book. Place on a level surface to keep an even beat. TD Music (since 1981)