1. The string can be used as one, and be connected (as much as ten light strings to form 100m string light).
2. Certificated by FCC/ROHS/EMC/LVD.
3. Total 100 led light string.
4. There are 7 different colors to choose from: white, warm white or gold, blue, green, red, yellow and mix-color.
You can distinguish the color by color point on the light control.
Keep the string from dampness or rain,for the light string is not waterproof.