REVO America R165WB4EB4E-2T 16 CH 2 TB DVR Surveillance System with 4 Wireless Bullet Cameras and 4 Wired Bullet Cameras (Black)<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"> Connection type: 12 RJ12 / 4 BNC </span></li><li><span class="a-list-item"> Each camera has a built in microphone for audio monitoring capability </span></li><li><span class="a-list-item"> Remote Viewing on iOS and Android Smartphones， Tablets， PC &amp; MAC </span></li><li><span class="a-list-item"> Hard drive: 2TB </span></li><li><span class="a-list-item"> Resolution: 600 TV lines (Wireless) / 660 TV lines (Wired) </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51TxP19rSIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51OOB3bIXhS.png" noproxy>