The recessed spotlights have a recessed depth of 24 mm. The outer diameter is Ø52mm. The ceiling cutout is Ø45-50mm. Light parameters: COB LED 1W, warm white, color temperature: 3000K, lumen: 120 Thanks to their simple design and small size, these are small. LED recessed lights mounted on a swivel joint can be used in a variety of ways in the home environment. Ideal for showcase, ceiling, kitchen, closet, DIY lighting, etc. Package: 4x black LED recessed spotlights with transformer