Korg Pitchblack Chromatic Tuner<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Reliable die cast aluminum housing with black-out finish provides improved contrast &amp; visibility </span></li><li><span class="a-list-item"> Easy-to-read display features four modes: Meter， Full Strobe， Half Strobe， and Mirror </span></li><li><span class="a-list-item"> 100 % True Bypass preserves tonal clarity; Battery or optional AC Operation </span></li><li><span class="a-list-item"> Similar size &amp; shape as many pedal effects; 9 volt/200 mA cascade output for pedal board convenience </span></li><li><span class="a-list-item"> Wide E0 - C8 detection range; Calibration range from 436 Hz - 445 Hz </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41kx2lgpKtL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51NfgXN0%2BdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Razrqh3cL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/81RpTkUmXPS.png" noproxy>