Red-orange LEDs dance like flickering flames within the black Edison-style light bulbs of our dramatic indoor-outdoor string lights. Housed in their vintage-inspired glass bulbs, the uncanny flicker-flame effect of these special LEDs creates an unearthly atmosphere that’s endlessly intriguing. A must-have set of electric string lights for Halloween parties and October events, they’re safe for arranging on covered patios, decks or balconies.