3 in 1 LCD Violin Guitar Metronome Tone Generator Tuner 3-in-1 Tuner/Metronome/Tone Generator Auto Tuner for Guitar/Bass/Violin/Chromatic This product is a 3 in 1 functional Guitar Tuner.It is not only a tuner,but also a metronome,tone generator. Backlight and LED indicator making the tuner easy to use in dark situation.It can be used to tune the pitches, practice the beats.It is not only a music instrument tuner,but also a good tool for vocalization practice. It swivels into the angle that is easiest for you to read.In a word,it is a perfect performance product. Specification: Tuner: Tuning Mode:Auto,Manual. Tuning range: 12-note full range chromatic, 0A - 7C. Calibration range:430Hz-450Hz. A4 Frequency range:440Hz High-precision LCD needle-type meter for stable tuning. LCD Display:Color black-light display. Turning method:choose built-in microphone or clip it to the fret before select?¡é????CLIP?¡é????or ?¡é????MIC?¡é????mode. Built-in vibration sensor. Turning mode:G(Guitar),B(Bass),V(Violin),C(Chromatic). Detection Accuracy:5%. Items of turning:Chromatic,Guitar,Bass,Violin,Ukulele and other compatible with twelve-tone equal temperament scale music instruments except piano and violoncello. Metronome: Beat range:0?¡¥????9. Built-in 8 different rhythms include duplets, triplets, triplets with inner beats omitted, quadruplets, and quadruplets with inner beats omitted. Tempo range:30-250(bpm) Volume adjustable. Tone Generator: Falling tone option:?¡é????b?¡é????,?¡é????bb?¡é????,?¡é????bbb?¡é?????¡¥?????¡é????bbbb?¡é????. Tone range:?¡é????C?¡é????,?¡é????F?¡é????,?¡é????bB?¡é????,?¡é????bE?¡é????. Can practise the song Automatically power off if no signal is received in 3 minutes. 360 degree freely rotate. Power supply:1 x coin battery(CR2032)£¨not included£©. Package list: 1 x Tuner