Musedo MT-40W Metro-Tuner Tone Generator Electronic Digital LCD 3 in 1 LCD Clarinet Saxophone Tuner/MetronomeThe MT-40W has a metronome, chromatic tuner and tone generator in one big compact package. The huge display gives you all the parameters that can be adjusted with the large control buttons. Connect an electric instrument, pickup for acoustic, brass, or brass instruments to the 1/4-inch (6.3mm) input jack, or use the built-in microphone. With all these important features, the MT-40W is hard to beat! Tuning Range: A0(27.5Hz) C8(4186Hz)Tuning Mode: Chromatic, BrassTuning Key: C, F, Bb, EbTuning Accuracy: ± 1 CentA4 Range: 430 450HzDetection Method: Mic, Line-inDisplay Mode: LCD, LED DisplayTuning Method: AutoTone GeneratorReference Tone Range: 2A 6ADreference Tone Accuracy: ± 0.5 centMetronomeTempo Range: 30,250 bpmBeat: 0 9Rhythm:Tempo Precision: ± 0.3%Metronome Sound: Electronic AudioPower Supply: 3V (2xaaa) Batteries (Not Included) Color: Black Material: ABS + Electronics Size: 105x18x65mm Package Contents: 1 * Tuner1 * ReceptionOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.