DoubleSight Smart USB Monitors

DoubleSight Smart USB Monitors comes with built-in support for multi monitor mode. The DoubleSight Smart USB Monitors support both landscape and Portrait viewing modes and compatible with both PC and Mac. Three models for this monitors are available: 7-Inch DS-70U, 9-Inch DS-90U and 9-inch DS-90UC. They are sold at $119, $139 and $159 respectively.