Power outlet->

Wifi smart plug for outlet(Turn on or off by phone)->

POE injector 48V->

Ethernet cable (outdoor rated) upto 300ft->

POE Splitter that turns 48v input to 12v output->

12v output plugged into RGB Strip directly with DC Barrel plug that’s found on splitter.

12v splitter Canada:

https://www.amazon.ca/Splitter-Compliant-Surveillance-5-5x2-1mm-PS5712G/dp/B08HS4Z7JQ

12v splitter USA:

https://www.amazon.com/Splitter-Compliant-Surveillance-5-5x2-1mm-PS5712G/dp/B08HS4Z7JQ

Those are 1amps, I recommend the 2amp ones for maximum brightness and light output.