Sprite Science8482; IR Repeater-IR Infrared Remote Control Extender Repeater System Kit- Operate 1 to 8 Devices- Includes 8 Emitters Control remote control devices that are hidden behind doors or in other rooms! Kit controls up to 8 devices - Expandable to 12 devices (Additional IR emitters sold separately) Highly sensitive system offers real time transmission without any delay. CFL friendly device - Can be installed in an area with compact flourescent lighting. Kit includes: 1-Distribution block; 1-IR Receiver; 1-Standard power plug; 4-Dual IR Emitters for 8 devices; 1-Manual.