This G40 light set has gold mercury glass style light covers. Inside of the G40 light covers are clear incandescent mini lights that give a soft, warm glow. This unique set comes with a UL certification for indoor and outdoor use making them ideal for decorating along gutters, roofline or outdoor holiday trees. Product Features: Color: clear bulbs / white wire Gold mercury glass style light covers Number of bulbs on string: 10 Bulb size: G40 Bulb type: incandescent Spacing between each bulb: 7" Approx. lighted length: 5.25' Approx. total length: 7' 13" lead cord 9" tail cord Additional Product Features: If one bulb burns out, the rest will stay lit Contains end-to-end connectors that allow you to connect multiple sets together (not to exceed 210 watts) UL certified and approved for indoor/outdoor use Comes with replacement bulbs and spare fuses Wire gauge: 22 120 volts, 60 hertz, .08 amps, 9.6 watts Material(s): plastic/glass bulbs/wire