These white LED lights are sure to bring brightness to your home and decorations. Use them for your holiday decor or for everyday household use. LED bulbs are cool to the touch and use much less energy than a traditional incandescent bulb. Product Features: Color: cool white / green wire Number of bulbs on string: 500 Bulb size: 3mm (wide angle) Spacing between each bulb: 1" Lighted length: 41' Total length: 57' 16' lead cord Additional Product Features: 10 function controller 8 hours on / 16 hours off built-in timer Commercial grade USB construction 50.000 hour bulb life LED lights use 90% less energy Durable non-glass bulbs Cool to the touch UL certified and approved for indoor or outdoor use UL approve adapter included Cannot connect multiple sets of lights Material(s): plastic/wire