Add some glow to your life with these fun Christmas lights. Their natural glow is sure to bring some sparkle to your Christmas tree garland or wreath. Shatterproof decorations blend the elegance and luster of real glass with the rugged practicality. Product Features: Mercury glass finish ball ornament. Color: clear bulbs / white wire. Number of balls: 3. Total number of bulbs on string: 20. Bulb size: mini. Spacing between each ball: 8". Lighted length: 1.5'. Total length: 2.6'. 13" lead cord. Additional Product Features: Steady burning bulbs. Contains 1 plug with end connector which allows you to stack multiple sets of lights together (not to exceed 210 watts). Comes with replacement bulbs and spare fuse. Ornaments come ready-to-hang with silver hooks. UL certified and approved for indoor or outdoor use. Wire gauge: 22. 120 volts 60 hertz .08 amps 9.6 watts. Dimensions of each ball: 5.75" diameter. Material(s): plastic light covers/glass bulbs/wire/metal