Our super bright black wire 50 light wide angle mini lights have 50 commercial grade LED bulbs on 6" centers making each string 25' long. These strings have non-removable LED's that eliminates failures from loose, broken, or removed bulbs. These commercial grade LED Christmas lights are very durable, long lasting, and extremely energy efficient. Each string is full wave rectified which eliminates any flickering while making these LED Christmas lights brighter than ordinary LED mini Lights. Each LED uses a patented concave design making these LED viewable from all angles. UL listed for indoor and outdoor use. Connect up to 43 strings end-to-end.