Emit Color: RGB Led Strip 5050. Better lighting effects: Brighter RGB LEDs and double-layer copper is used on the PCB board to make the RGB color mix more uniform and brighter. Length: 30M=2 15m/Roll, 20M=1 20m/Roll, 15M=1 15m/Roll, 10M= 1 10m/Roll, 5M= 1 5m/Roll.
