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 earphones. Features:Compact and cost-effective metronome-Audible beat with light or light only. A440Hz Reference Pitch40 - 208 BPM Tempo Range.