ASSEMBLY INSTRUCTIONS READ AND SAVE THESE INSTRUCTIONS FINAL ASSEMBLY 1.) Remove the cap from the connector , then join the connectors and screw the cap tightly together. 2.) Plug transformer into socket and press the switch, your LED Light String is ready for use. 3.) The LED Light String will turn on automatically at dusk. 4.) The LED Light String accepts expansion accessories (10 light extra string) and (12' length extender cord) (sold separated).