Color: Warm white bulbs / brown wire. "Warm white" also known as "warm clear" has a nice natural warm incandescent like glow similar to candlelight. The number of bulbs on string: 50. Bulb size: G12 (15mm diameter berry lights). Spacing between each bulb: 6". Lighted length: 24'. Total length: 25'. Commercial-grade lights LED lights to use 90% less energy. Durable non-glass bulbs. Non-replaceable bulbs feature single mold construction. Unlike most lights, this type of construction prevents moisture from seeping in and causing corrosion. Water and weather resistant. Cool to the touch. UL listed for indoor or outdoor use. If one bulb burns out the rest will stay lit. Contains end-to-end connectors allows you to connect multiple sets together (not to exceed 210 watts). Wire gauge: 22. 120 Volts - 60 hertz - 0.04 amps - 4.8 watts.