Model: DRC-10 - Color: Black - Plastic housing - 2.8" backlit LCD display - Chord number: 2640 chords - Tuning: Chromatic tuning - Tuning range: A0 (27.5Hz)~C8(4186.0Hz) - Accuracy: +/- 1 cent - Calibration range: A4=410Hz~480Hz - Tuning scale: C major Bb major Eb major F major - Flat tuning: 1~4 semitones - LED indicator: Tune= green light high or low=red light - Sound detection: Built-in microphone or audio jack - Beat: 0~9 - Tempo range: 30~250 BPM - Tones generated: C4(261.626Hz)~B4(493.883Hz) - Auto power off after no operation in 5 minutes (10 min for metronome) - Powered by 1 x 6F22 battery (included) - Comes with English user manual