Product description: operation of an unlimited number of devices in a closed cabinet with its own remote control. This almost invisible infrared extension works with all devices* and is easy to install due to the 2 included infrared blasters. This infrared extension consists of one as standard: infrared receiver: receiver - infrared module: module - infrared module: transmitter (blaster LED). The receiver is placed within sight of the remote control and is connected to the module that is in m cabinet is located et. The transmitter is then connected to the module. The signal of remote control is transmitted via the receiver to the module that transmits the signal back to the transmitter. The transmitter now operates audiovisual device. As a result, one no longer have to open the cabinet doors to operate devices. * Infrared controlled devices. For example, Bang & Olufsen products cannot be operated with infrared extensions.