1. This is an extra large size vintage led bulb, diameter 180mm, length is 630mm. The length of the soft led is 450mm, rated 5W 130lm. Why only 130lm? Because the glass is black transparent color, the black glass stops more than half of the light output. Black color looks more honorable, and this is an decorative extra large size vintage led bulb, it is mainly for lighting decoration, so lighting decoration is first, it is usually used as an secondary light.