Type: Optical receiving deviceIncentive method: electric excitationBand range: far infraredMode of operation: continuousLight path: through the external light pathTransmission signal: wideband typeRemote control extenders (sometimes called infrared extenders or simply IR extenders) allow you to extend the range of your infrared remote controls so that you can control equipment which is out of sight.Commonly used when your receiver is hidden in a cupboard, in a different room, or behind your TV.Standard universal 2.5mm jack connection.1.5m long cable gives plenty of length to position the sensor where visible.Small and discreet in size, easy to hide out of sight.Note: The IR receiving cable is only compatible with IR Receivers, such as set-top box, car-mounted DVD, car audio system, hard disk player, etc.Model: CHD18Cable type: cooper wireReceive Frequency: 38KHZReceive distance: 10-15mCable Length: Approx. 1.5m / 59inModel Number:IR extend cableWireless Communication:RFChannel:1Use:TVcolour:blackMaterial:WirePackage Contents:3 x IR Infrared Remote Receiving LineOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.