Now you can control your satellite decoder / DVD player and other remote controlled devices from additional locations (Up to 80m free air) by adding the "ADD-ON TRANSMITTER" to your existing Smart Remote Blaster system. Interference free. Ideal for plasma and LCD. World's First USB powered Remote Control Extender. Works with most infra red remote controlled devices. Compact design made for flat screens. Easily pair this transmitter to work with your Smart Remote Blaster receiver. What's in the box 1 x RF Transmitter (TV Unit). 1 x USB-Y cable. 1 x installation instruction insert 1 x velcro disc set.