The product is a set of 5x3 LED lights in red, green, and yellow colors, specifically 5mm red and green LEDs and 3mm red, green, and yellow LEDs. These LEDs have a round lens shape and a through-hole mounting style, suitable for various electronic components and semiconductors. The brand involved is OddWires/Velleman K/LED1, known for providing quality LED lights for industrial and business use. Each LED has 2 pins for easy connection and operation.