Set of 10 Valentines Day Heart Lights Item #1513 Features: Color: clear bulbs / white wire Number of bulbs on string: 10 Bulb size: mini Spacing between each light: 8 inches Lighted length: 6.7 feet Total length: 9 feet 22 inch lead cord Additional product features: Straight line construction Steady burning feature UL listed for indoor/outdoor use 120 volts, 60 hertz, .08 amps, 9.6 watts Contains 1 plug with end connector allowing you to stack multiple sets of lights together (not to exceed 210 watts) Comes with (1) 3 volt spare replacement bulbs and 1 spare fuse Material(s): glass bulbs/wire/PVC/EVA