Random Twinkle LED Mini Christmas Lights with a Wide Angle 5mm Concave bulbs on both green and white wire. These high quality Light sets are available with a connectable or non-connectable (without end-to end plug) with warm white and pure white led bulbs. Great for application that need a little twinkle or shimmer. Our commercial quality twinkle LED light sets are for outdoor or indoor use and always UL listed and Energy Star Qualified.