Because there are many infrared home appliances in the family, such as set-top boxes, DVDs, remote control fans, air conditioners, and projectors, this device can be used compatible with centralized control and hidden control.Applies to all remote control devicesSuitable compatible with TV set, STB, DVD, DVR, PVR, video recorder, satellite receiver, and so onThe Way To achieve power: Appliance USB or 5VSupply power: 5VNote: Do not support windows 10!How to install:1. Use the double-sided adhesive to stick the receiver in an perfect location.2. Stick infrared device emitting head that you want to control.Colour:BlackMaterial:plastic+metalSize:Launch line length: 2m/5mReceiving line length: 1.4 mPackage Contents:1 x Infrared IR Remote 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.