This is a set of 4 Edison bulb LEDs. They are not sold individually. I purchased these to smarten my home lighting. For more details, please refer to the official website. I used them for about 3 months. There is no outer box or manual. The appearance is very stylish, and it supports stepless color adjustment from white to orange. The brightness is not very high, so one bulb might not be enough to light up a living room.