The 21" large white Moravian star has a warm glowing 15w bulb that shines beautifully into the night. The 21" size is perfect as a porch light. Match your white lights with this white star. The product has assembly required - white Moravian star light is prewired. Does not come assembled. Features fast press & clip design for easy assembly. Simple directions with excellent pictures. This white Moravian star light, classic shape design spreads holiday cheer & tradition, meant to symbolize the star of Bethlehem.