A compact, cost-effective alternative to higher priced models! Easy-to-use dial quickly selects any tempo from 40-208 beats per minute. It also features a frequency tone generator to assist in tuning just about any instrument to A440! A combination of LED and sound displays tempo. Includes built-in stand and personal earphone. Features compact and cost-effective metronome, audible beat with light or light onlyA440Hz. Earphone Included.