FeaturesSAFE TO USE For indoor and outdoor use easy to set or wrap. Very safe good heat radiation and never go hot.BATTERY OPERATED Powered by 3 AA battery. Very flexible to place this light everywhere. No worries about that the extension cord and plug will limit you.SEVEN LIGHTING MODES Either steady or flash. There are 6 flash modes and a steady mode. Change the flash mode by pressing the button on the battery box.FANTASTIC AND MAGIC EFFECT 3 meter / 10ft and 40 LEDs 3 AA batteries could support approximate 40 hours working time.The copper string light is very light and the thin string is almost invisible when install on somewhere.