The One For All SV1715 is One For Alls latest TV sender & means that you can wirelessly transmit your TV, satellite, cable or DVD video & audio from one room to another. This means is that you can just plug the transmitter in to your satellite or cable TV box in your main sitting room, then plug the receiver in your second sitting room or bedroom or other spare TV, & you can now watch Sky / Cable TV in the second room, no wires, just plug in the two units to mains power & in to the two TVs & youre instantly up & running. One For All SV1715 also has an Infra Red eye, which means that you can remotely change channel on the. Sky or cable box or control your DVD player etc from the secondary room, if youve gone to bed & are watching. Sky or a DVD in bed using the SV1715 receiver in the bedroom you can pause the DVD or change channel with out having to get up!.