Because there are many infrared in the family, such as set-top boxes, , remote control fans, air conditioners, and projectors, this device can be used for centralized control and control.Applies to all remote Suitable for TV set, STB, DVD, DVR, , video recorder, satellite receiver, and so onThe Way To achieve power: Appliance USB or 5VSupply power: 5VNote: Do not support How to install:1. Use the double-sided adhesive to stick the receiver in an ideal location.2. Stick infrared device emitting head that you to control.size: The transmitting line is 2 meters long and the receiving line is 1.4 meters longMaterial: Plastic+metalcolour: blackPackage Contents:1 x IR Infrared Remote Control Receiver ExtenderOnly the above package content, other products are not included.Note: Light reflection 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.