Velleman 16KEY KEYPAD 16 KEYS MATRIX OUTPUT<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> matrix </span></li><li><span class="a-list-item"> blister packed </span></li><li><span class="a-list-item"> contact rating: 24V DC / 20mA </span></li><li><span class="a-list-item"> contact resistance: 200ohm max. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51jwyLORQRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41LfnTdmUwL.jpg" noproxy>