NEUMA Large Display Screen Metro-Tuner Features 3 in 1 metro-tuner: Tuner,Metronome and Tone generator Suitable for Chromatic,Guitar,Bass,Violin,Ukulele perfectly Dynamic speaker and headphone jack with volume control 8 rhythms and 30-250 Beats to help you make great improvement continuously Easy to read with bright large LCD screen Details Tuner *Tuning range: A0(27.5Hz)~C8(4186Hz) *Tuning mode:Chromatic,Guitar,Bass,Violin,Ukulele *Tuning precision:±1 cent *A4 range: 430~450Hz *Detection Method:Mic,Input jack *Flat tuning:b, bb, bbb, bbbb *Display mode: LCD screen, LED Indicator Tone Generator *Reference tone precision:±0.5 cent *Reference tone range: Chromatic:2A~6A *Guitar:6E, 5A, 4D, 3G, 2B, 1E *Bass:LB, 4E, 3A, 2D, 1G, HC *Violin:4G, 3D, 2A, 1E *Ukulele:4G, 3C, 2E, 1A Metronome *Tempo range:30~250 bpm *Beat:0~9 *Metronome sound: Electronic sound *Tempo precision:±0.3% *Power supply:3V(2*AAA) batteries *Dimension:105(L)*63(W)*19(H)mm *Weight:70g Package includes *1 x NMT-10 *1 x User manual *2 x AAA batteries