This is a replacement lamp for LED downlights, etc. It was installed in a new condominium, but was replaced before move-in. It was removed after confirming that it lights up. It can be used with GX53 base fixtures. Warm white (2700k), non-dimmable, Class 500 There are scratches from when it was removed. The main ones are shown in photos 3 to 5. Some scratches are not noticeable, but almost all have scratches like the ones in the photos. There is no effect on lighting. Since this is a used item, please understand that there will be no claims or returns, including the scratches. We will send you a set of 4. A set of 8 is also available for 4500 yen. If you are interested, please comment.