Innovative suction cup tuner,Bring a new tuning experience to help you realize your dream of playing<br> Flexible tuning from multiple angles,Keep the headstock beautiful and prevent wear and tear on the instrument<br> High precision 1 cent error,Accurate pitch makes the piano sound better<br> Twelve equal temperament patterns,Universal musical instrument, widely applicable<br> Long battery life thanks to button cell batteries,Built-in power saving function to lock the power<br> <br> Product model:-730<br> Tuning range:A(27.5Hz)-C(4186Hz)<br> Screen:LED color LCD display<br> A4 range:440Hz<br> Tuning mode:law of twelve equals<br> Tuning accuracy:1 tone<br> Tuning method:Automatic<br> Battery:3V (CR2032)<br> The product appearance and printed words depending on the batch, but this does not affect use.<br> Colour:Black & White<br> Material:ABS<br> <br> Package Contents:<br> 1 * Clip-on Tuner<br> <br> Only the above package content, other products are not included.<br> Note: Light reflection 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.