SMD2835 long cascade LED light strip is a constant current DC24V product.

A single single-color LED light strip can be powered by a single end up to 30 meters per strip without voltage drop.

A single dual-color temperature long cascaded LED light strip with single-end power supply can be up to 15 meters/strip without voltage drop.

A single RGBW long cascade LED light strip can be powered by a single end up to 15 meters/strip without voltage drop.