The strip light shown in this video is single color LED strip light, and the transformer is our product line S-series.
There are 2 major components you have to pay attention to before connecting LED to transformer.
1. Make sure LED and Transformer Voltage is the same.
Either 12V or 24V.
2. Connect LED strip red wire to Transformer output V+, and black wire to Output V-.
All parts can other from GL LED.
P.S. For RGB color change LED strip light to the same series transformer is Black wire to V+, and Red, Green, Blue wire to Output V-.