High end features at an economical price make this metronome an outstanding value! Matrix has built its reputation on reliable, economical alternatives to high-priced metronome models. The Quartz MR-800 features an easy-to-use dial, A440 reference pitch, 40-208BPM tempo range, LED display, and a personal earphone. It has a LED pendulum simulation, audible click upbeat sound with chime downbeat, and variable tone generation.