This switch is operated by an on/off rocker switch and is 2 way. This light switch comprises a glass surround and concealed fixing screws and will fit in a standard sized 35mm deep single wall box. Separate the plate from the subframe using a screwdriver of a soft flat object. Connect the wires as per the diagram. (Included in the packet) Install the switch or socket into the box with the screws provided. Re-attach the plate to complete the installation.