<http://schema.org/category>
"Camera &gt; Cameras, Dslrs &amp;amp; More &gt; Surveillance Camers"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.indiashopps.com/product/alba-urmet-700tvl-3-6mm-30-ir-bullet-cctv-camera/22687>