Brateck LDT15 C011 13 32 inch Preconfigured Single Arm HDD size_3.5 inch wireless network adapter plugs directly wireless network adapter plugs directly into selected Epson projectors allowing quick and easy wireless access to LAN or peer to peer networks 0 Port USB 3 The series features a very convenient and efficient method to assemble all these 5 monitor mounts by simply adding additional accessories to the basic single monitor close mount BRK LDT15 C011 is a single monitor mid extension mount in LDT 15 series that includes 5 different preconfigured monitor mounts varying from a single monitor close mount to a 4 monitor full extension mount