Our Halloween Twinkle Lights are sure to add the perfect touch to your Halloween decorations this fall, the bulbs alternate with orange, purple and green! The teeny bulb lights have 8 function settings that are easy to adjust with a twist of the knob, from Twinkle/Flash; Steady On; Sequential; and more. Bulbs remian lit when one burns out and it has a safety fuse plug! The total length is 26 feet and it has 140 lights. For indoor use only.