By opening and closing the five wings, you can focus the light on the front and select the brightness to suit your needs. A connecting outlet terminal is included, allowing for connection of up to 10 units. Furthermore, it features a 3-step dimming function, allowing you to adjust the brightness from 8000 lumens to 5000 lumens, and then to 3000 lumens. The LED lifespan is approximately 40,000 hours, and a large resin clip makes installation easy. The base size is E26, and it comes with a 5-meter cord. In addition, the maximum irradiation angle is approximately 300 degrees, providing daylight-white equivalent brightness to meet indoor lighting needs. Power consumption is only 73W. This product is a minor change from the dial to a button specification. New, unused, and unopened. With connecting outlet terminal 3-step dimming function allows you to change the brightness. 8000Lm → 5000Lm → 3000Lm Long-life LED lifespan of approximately 40,000 hours Base size E26 5m cord included Power consumption 73W For indoor use Thank you for viewing.