This product, the SHOP7D_LED Curtain String Lights, is crafted from a combination of plastic and silver copper wire, and is available in three different sizes: 3 * 3 M with 300 LEDs, 3 * 2 M with 200 LEDs, and 3 * 1 M with 100 LEDs. It is powered by a USB and operates on a DC 5V voltage, emitting warm white, cool white, or multicolor LED lights. With 8 modes, it can be controlled either through the USB or a remote controller. The remote control feature adds convenience and ease of use to this versatile product.