diody LED SMD 0603 ciemnoczerwone i białe zimne 20 sztuk na drabince

diody SMD 0603 ciemnoniebieskie czerwone i zimno białe 20 sztuk na prądiku

In this text, "smd LEDs" is short for Surface Mount Device Light Emitting Diode, which is not translated as it's an abbreviation widely used in the electronics industry. The rest of the text describes the color, quantity, and package type of the LEDs (0603) while "am Draht" translates to "na prądiku," meaning "on wire."