Adorn your Christmas tree or porch with these super bright bulbs made to commercial specifications. Equipped with Socket Lock technology, this feature makes them replaceable, interchangeable and keeps them from falling out. If one bulb burns out, the rest will stay lit. Details:Blue & Frosted White bulbsGreen wireNumber of bulbs on string: 50Bulb size: miniSpacing between each bulb: 2.5”Lighted length: 10.2 feet Total length: 11.4 feet12" lead cordContains end-to-end connectors which allows you to connect multiple sets together (not to exceed 210 watts)Comes with replacement bulbs and a spare fusesUL listed for indoor or outdoor useWire gauge: 22120 volts 60 hertz 0.17 amps 20.4 watts