one is I think 19"
but a pair of 15" together with a 'dual head to go' splitter (with software) which means you can view your desktop across two monitors, easy to set up and great to run a couple of browsers side by side, editing etc
![Image](http://s16.postimg.cc/4888bv5ol/Sun_Ray_MH.jpg)
don't want much too members, £10 each monitors another £10 for the dual head