HIGHROCK widely Infrared Remote Control Receiver + Emitter + USB Adaptor for IR Extender Repeater Package Content:1 x IR Receiver 1 x IR Emitter,USB Adaptor Infrared Remote Control Receiver Emitter USB Adaptor Easy Installation: 1. Stick the Receiver in a convenient location that you want with the included double sided tape. 2. Stick the IR emitters (the smaller one) on devices that you want to control.