[Fully programmable]Make any or all receivers to any button on any system remote. If you want to programmer the receiver, please put in a small stick on the hole which is on the receiver box. And then the light on the receiver box will be flash-then press corresponding key on the remote,then the receiver will work with the remote. [Power Source]6V - requires only 4 AA batteries per receiver. [Range:150meters]Each receiver with the antenna. [Expandable]Add other receivers (available individually) to expand number of cues., Weight: 0.6 pounds, Manufacturer: Walfront