Peterson AutoStrobe 490ST Piano Stretch Tuner<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 0.1 Cent Accuracy </span></li><li><span class="a-list-item"> Preset and Programmable Stretch Files for Various Piano Sizes from Spinet to Concert Grand </span></li><li><span class="a-list-item"> Preset and Programmable Temperament Files </span></li><li><span class="a-list-item"> High Definition True Stroboscopic Display </span></li><li><span class="a-list-item"> Displays Fundamental &amp; Overtones </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41C8a3H5-BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ZB6zcB3WL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31tacIiYj0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41%2B5McbYUqL.jpg" noproxy>