Chromatic Tuner fit for Guitar/Bass/Violin/Ukulele/some of wind instrument<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Tuning mode: Auto </span></li><li><span class="a-list-item"> Items of tuning: Chromatic </span></li><li><span class="a-list-item"> A4 frequency: 440Hz </span></li><li><span class="a-list-item"> Size: 60 x 30 x 45 (mm) </span></li><li><span class="a-list-item"> Battery: CR2032 (1pcs，extra 1pcs) </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51mbXohjYDL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41aUUGafwRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51pfmR%2BqNYL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51PcjMRtVpL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/416SFibENpL.jpg" noproxy>