The MT-40W has a metronome, chromatic tuner AND tone generator in one wonderfully compact package. The LARGE display gives you all the parameters you can adjust with the large control knobs. Plug in your electric instrument, a pickup for your acoustic instruments, woodwind or brass instruments to the 1/4-inch (6.3 mm) input or use the built-in microphone. With all these essential features, the MT-40W is hard to beat.

Tuning range: A0(27.5Hz)~C8(4186Hz)Tuning mode: Chromatic, Wind instrumentsTuning key: C, F, Bb, EbTuning accuracy: 1 CentA4 range: 430~450HzDetection method: Microphone, Line inputDisplay mode: LCD display, LED displayTuning method: AutoTone generatorReference tone range: 2A~6AReference tone accuracy: 0.5 centMetronomeTempo range: 30~250 bpmBeat: 0~9Rhythm: Tempo accuracy: 0.3%Metronome sound: Electronic soundPower supply: 3V(2xAAA) batteries (not included)Color: blackMaterial: ABS+ElectronicsSize: 105 x 18 x 65mmPackage contents:1 * Tuner1 * PickupOnly 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 allowed error is +/- 1-3 cm.