Set of 50 LED Fashion Glow Christmas Lights Item #X4W0522 Features: Color: blue and pure white bulbs / white wire Number of bulbs on string: 50 Bulb size: G12 (15mm diameter, berry lights) Spacing between each bulb: 4 inches Lighted string length (approx): 16.25 feet Total string length (approx): 16.5 feet Additional Product Features: LED lights use 90% less energy Lights are equipped with the lamp lock feature, which makes them replaceable, interchangeable and keeps them from falling out Super bright bulbs Bulbs last up to 100,000 hours If one bulb burns out, the rest will stay lit Durable non-glass replaceable bulbs Cool to the touch End-to-end connectors allow you to connect multiple sets together (not to exceed 210 watts) These lights are made to commercial specifications Wire gauge: 22 Comes with replacement bulbs and fuse UL listed for indoor/outdoor use 120 volts, 60 Hertz, 0.04 amps, 4.8 watts Material(s): plastic bulbs/wire