APC BACK-UPS CS BK500BLK 500VA/300W UPS System<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 6 outlets-3 ups/surge， 3 surge only </span></li><li><span class="a-list-item"> 1，020 Joules </span></li><li><span class="a-list-item"> 2 Block-spaced outlets </span></li><li><span class="a-list-item"> RJ11 modem/fax/DSL protection (2 wire single line) </span></li><li><span class="a-list-item"> Audible alarm </span></li><li><span class="a-list-item"> Product Type - Back-UPS </span></li><li><span class="a-list-item"> Connectivity - USB </span></li></ul><!--   Loading EDP related metadata  --><div aria-live="polite" class="a-row a-expander-container a-expander-inline-container"><div aria-expanded="false" class="a-expander-content a-expander-extend-content" style="display: none;"><ul class="a-unordered-list a-vertical a-spacing-none"><li><span class="a-list-item">Connectivity - USB</span></li><li><span class="a-list-item">Output Connections</span></li><li><span class="a-list-item">- (3) NEMA 5-15R (Battery Backup)</span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/416JYd3GUaL.jpg" noproxy></div></div>