2 Gang 4 Port USB 2100mA Plug Socket

Gang = The amount of switches or outlets on a plate

Way = The amount of locations you can control a lighting circuit from.

Intermediate = Also known as a 3 way or more

F-Type = The connector that is used for Satellite television

Single Pole = has one input and one output, it has two states; on or off

Double Pole = Double pole switches are connected to two separate electric circuits. They contain 2 switches which are linked and can complete the circuit either simultaneously or staggered.

IP Rating = A way of showing how effective an item is at blocking out foreign bodies for example water, dust etc.