I just purchased 3 sets of these lights.  The bulbs are about 2 inches apart so they are very bright.  I thought I would need 3 strings but only had room for one string so I have spares.  The wire is white (not green), which is hard to find.  The bulb colors are vibrant. I am using them on a black ornament tree with a black and white tree skirt so it looks very nice.