If you want to run multiple lengths of LED strip from a single controller then you will need to install signal amplifiers to boost your control signal and get over the barrier of trying to push too much current through your LED Strips. Simple to install A simple setup would be - Power supply to 10m 3528 LED Strip to amplifier (with its own power supply connected) to next run of 10m LED Strips - and so on........ These amplifiers will handle up to 12A - so for 12V LED Strips that means you can control