Black Led Outdoor Light Halloween Decoration. LED lights that creates the eerie, flickering light effect of a short circuit! Flickering light effect swivels to any position. ETL/CETL certification for 2015. Energy efficient LED. Purple bulb gives the black light effect. For indoor and outdoor use. Includes stake to put in ground. Approx size: Light 5x4 inches. Stake 6 inches long. Display has 8 pieces.