These C6 LED lights are a perfect addition inside your home on your tree, doorways and outdoor spaces. Features 50 warm white color bulbs on green wire. Durable non-glass replaceable bulbs Cool to the touch UL certified and approved for indoor or outdoor use If one bulb burns out, the rest will stay lit. Comes with replacement bulbs and spare fuses. Contains end-to-end connectors which allows you to connect multiple sets together (not to exceed 210 watts). Connect ends up to 43 sets. Wire gauge: 22, 120 V, 60 Hz, 0.04 A, 4.8 W. 20,000 hours of holiday lights.