This is a set of 4 spotlights purchased from the lighting shop Hikariya on Rakuten. The LED bulbs are warm white and are not dimmable. The purchase price was around 14,000 yen. You can also use them with shade lenses if you like. I installed and used them once, but I switched to different lighting and no longer need them. They were used for a few weeks. Color: White Socket: E11 For duct rails, spotlight, rail lighting, lighting rail, led lighting, lighting rail lighting, modern, Nordic, hotel-like [Rakuten] #Rakutenichiba Product URL https://item.rakuten.co.jp/hikaritec/hrynzjgz002/?scid=wi_ich_iphoneapp_item_share