Small size, easy to hide Easy Installation and use Remote control extenders (sometimes called extension extenders or simply infrared IR) allow you to extend the range of your infrared remote controls so that you can control the equipment that is out of sight Applies to all remote control devices How to install: 1. use the double-sided adhesive to stick the receiver in a convenient location. 2 stick the infrared emission head to the device you want to control Way To Get Power: Home Appliance USB or 5V Power Supply Material: Cable+Plastic Color: Black Cable Length From USB To Receiver: Approx. 137cm/ 53.94" Cable Length From Receiver To Emitter: Approx. 198cm/ 77.95" Note: Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Included: 1 x IR Infrared Remote Control Receiver Extender 1 x Adhesive Sticker