Use the double-sided adhesive to stick the receiver in an perfect location. 2. Stick infrared device emitting that you want to control. Colour:Black Material:plastic+metal Size: Launch line length: 5m Receiving line length: 1.4 m Package Contents: 1 x Infrared IR Remote Extender Only 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.