Features: Fine crafted Wittner plastic metronome with a matte black finish - model # 845161. Easy to remove plastic cover (included) latches on to the case. Weight slides along the stem to change tempos. Range: 40 to 208 beats per minute. Dimensions: 8 1/2"h x 4 1/2 w x 4 1/2d. High accuracy. Made in Germany. This model does not have a bell. Includes winding key instructions. Winding the key gives the metronome a playing time of 30-50 minutes depending on the tempo. 1 year manufactures warranty... Plus a 2nd year from us.. We are able to repair any Wittner metronome should you lose a part or break your metronome as we stock all parts for Wittner Metronomes. ( We have been in business since 1981). Td Music (since 1981)