【One-to-Many】KVM and USB extension Supports point-to-point/1TX to 253RX over gigabit PoE switch , and can also support multi-slave control of a host's networking. This product can extend the KVM and USB signal transmission distance to 20 kilometers through the cascaded network extension of multi-level switches.  
 【Power over Ethernet (PoE)】Support PoE power supply (802.3AF) for easy construction and improve system robustness，recommend Gigabit PoE Switch power for the product,and also have video & audio broadcast.  
 【KVM Pass-Through USB2.0 Extended】Support full-featured USB2.0 extension, so the receiver can not only connect to the wireless mouse and keyboard, but also connect USB devices such as USB flash drive, USB camera, USB headset, etc.  
 【Package Of HDMI Over IP KVM Extenderd】1x HDMI Extender Rj45 TX Sender, 1x HDMI Extender Rj45 RX Receiver, 2x Power Adapters and 1x User Manual, 1x USB2.0 Cable.All products are included 12 months money back guarantee after the date of purchase.