Cmple - IR Extender Over HDMI - Extender Receiver Transmitter Cable Kit It can do control to the IR signal source device by using the received IR (infrared) signal by the IR Receiver. IR extend distance is uo 25m (it depends on the quality and length of the HDMI cable). Control: To choose the CEC/IR extends function by manual ( it needs to put the two IR Adaptor switch to IR status). Carrier frequency: Dual Band (30KHZ-50KHZ). Power Free. The receiving distance: 8m. Max operation current: 15ma. Weight: 80g Housing: Plastic box. Easy install and operation.