Set of 50 Twinkle Mini Christmas Lights Item #W4W0751 Features: Color: clear bulbs / white wire Number of bulbs on string: 50 Bulb size: mini Spacing between each bulb: 4 inches Lighted length: 16 feet Total length: 16.8 feet 5 inch lead cord 4 inch tail cord Additional product features: Select bulbs randomly twinkle (every 5th bulb twinkles) These lights are made to commercial specifications Super bright 2.5 volt bulbs Lights are equipped with Lamp Lock feature, which makes them replaceable, interchangeable and keeps them from falling out If one bulb burns out, the rest will stay lit Wire gauge: 22 Contains end-to-end connectors which allows you to connect multiple sets together (not to exceed 210 watts) UL listed for indoor or outdoor use Comes with replacement bulbs, flasher bulb and spare fuse 120 volts, 60 hertz, .17 amps, 20.4 watts