Harley Benton /Clifton MT50 (WMT-555) metronome/chromatic tuner - large LCD display, special tuning mode for F, Bb, and Eb instruments, calibration: 435-445Hz. Optical and acoustic metronome signal (30-230bpm), tuning range 27,5 Hz - 1.760 Hz adjustable volume, headphone out. Includes clip mic for acoustic instruments and batteries (2x 1.5V AAA).