title: What's the protocol string for accessories from Apple?
body: <p>My company has a project need to fetch some data from the product
  and I started with EADemo</p>
  
  <p>Which protocol string to use when I have the adapter
  <a href="http://www.apple.com/shop/product/MD821AM/A/lightning-to-usb-camera-adapter?fnode=85&amp;fs=f%3Dcable%26fh%3D459d%252B45c4" rel="nofollow noreferrer">http://www.apple.com/shop/product/MD821AM/A/lightning-to-usb-camera-adapter?fnode=85&amp;fs=f%3Dcable%26fh%3D459d%252B45c4</a></p>
  
  <p>Thanks!</p>