Specifications: Item Name: USB PoweredLEDCurtain String Lights Lighting color: Warm white, White, Multicolor, Blue, Pink, Purple, Green, Red Power source: USB Voltage: DC 5V 8 Modes Switch: on the USB or Remote controller Size (Width x Height): 3M x 1M with 100LEDs, 3M x 2M with 200LEDs, 3M x 3M with 300LEDs, 4M x 2M with 300LEDs, 4M x 3M with 450LEDs, 6M x 1M with 200LEDs, 6M x 2M with 400LEDs, 6M x 3M with 600LEDs. Package content: 1pc USB PoweredLEDCurtain String Lights 1pc Remote controller ( No battery / Not included CR2025 battery)