<p>The MT-40W has a Metronome, Chromatic Tuner AND Tone Generator all in one great compact package.</p> <p>The HUGE display gives you all the parameters that you can adjust using the large control buttons.</p> <p>Plug in your electric instrument, a pickup for your acoustic, wind or brass instruments into the 1\/4 in (6.3mm) input jack or use the built-in microphone.</p> <p>WIth all these important features, the MT-40W is tough to beat!</p> <p>Tuning range:A0(27.5Hz)~C8(4186Hz)</p> <p>Tuning mode:Chromatic,</p> <p>Tuning key:C, F, , </p> <p>Tuning precision:1 Cent</p> <p>A4 range:430~450Hz</p> <p>Detection :Mic, Line-in</p> <p>Display mode:LCD display, LED display</p> <p>Tuning :Auto</p> <p>Tone Generator</p> <p>Reference tone range:2A~6A</p> <p>Reference tone precision:0.5 cent</p> <p>Metronome</p> <p>Tempo range:30~250 bpm</p> <p>Beat:0~9</p> <p>Rhythm: </p> <p>Tempo precision:0.3%</p> <p>Metronome sound:Electronic sound</p> <p>Power supply:3V(2xAAA)batteries (not included)</p> <p>Colour:black</p> <p>Material:ABS+Electronics</p> <p>Size:105 x 18 x 65mm</p> <p>Package Contents:</p> <p>1 * Tuner</p> <p>1 * Pickup</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light 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 +\/- 1-3cm.</p>