Bokit IR Repeater Remote control extender Kit - Operate 1 to 8 devices, It Can Support 12pcs Mostly Control remote control devices that are hidden behind doors or in other rooms! Kit controls up to 6 devices - Expandable to 12 devices (Additional IR emitters sold separately) May ALSO be powered by USB cord as well (USB power cord NOT included) Package includes: 1-Distribution block; 1-IR Receiver; 1-Standard power plug; 3-Dual IR Emitters for 6 devices; 1-Manual