NEW Cherub | Auto-on Chromatic Tuner， WST-640C first Auto Tuner of its kind in the world<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Tuning mode：Chromatic </span></li><li><span class="a-list-item"> A4 range：440Hz </span></li><li><span class="a-list-item"> Detection method：Clip </span></li><li><span class="a-list-item"> Power supply：3V(CR2032)Lithium battery </span></li><li><span class="a-list-item"> Dimensions：53(W)x35(D)x27(H)mm </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41wSZTY09wL.jpg" noproxy>