LED power supply with an output voltage of 12V DC.

The appropriate power supply wattage for an LED strip is calculated by multiplying its consumption in Watts per meter by its length. It is recommended to acquire a power supply that supports an additional 20% of the required energy to ensure it does not operate at its limits.

The power supply capacity of the product is 120 Watts, which means it has the ability to power, for example, a 5-meter LED strip with a power consumption of 19.2 Watts per meter.