Set of 10 Fire Department Red Truck Christmas Lights Item #UL0697 Features: Color: clear bulbs / green wire Number of bulbs on string: 10 Bulb size: mini Spacing between each light: 12 inches Lighted length: 9 feet (2.74m) Total length: 11.5 feet (3.5m) 30 inch lead cord Additional product features: Steady burning bulbs Red fire truck light covers 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 (4) 12 volt spare replacement bulbs and 1 spare fuse Dimensions of each light cover: 3.5 inches high x 1.5 inch wide Material(s): plastic light covers/glass bulbs/wire