★★With 1 IR distribution block,1 receiver which picks up the signal from the remote controller, the receiver is with a convenient IR confirmation LED .Small and easy to hide,high sensitivity,broadband remote control. | ★★Suitable for most IR control devices,such as:Amplifier,Cable box,DVD Player,CD Player,Blu-ray player,Stereo receiver ,Satellite TV receiver and so on.PLEASE NOTE, DOES NOT WORK WITH: Cisco RNG150 RNG150N & RNG250 & Marantz devices. | ★★With 6 emitters which is used to send the signals to the A/V components,Kit controls up to 8 devices - Expandable to 12 devices (Additional IR emitters sold separately) | ★★12V DC Power Supply(INPUT 100-240VAC,50/60Hz),34-60kHz operating range,3.5mm mini plug.Easy to use,Control all same devices by one click ,it needn't turn the contriller to all directions. | ★★Lifetime warranty on parts and labor. we provide 7x24 hours service,please feel free let me know if you have any question.