The Profoto D2 strobe features an output adjustment dial and comes with a dedicated case for easy portability. - Brand: Profoto - Model: D2 500w - Accessories: Cables, manual, spigot - Storage Case: Includes a dedicated case - Adjustment Dial: Output adjustment dial I purchased this at the beginning of this year, but I'm selling it because I haven't used it much. I've used it indoors about 10 times. There are no noticeable damages, and it functions without any problems. Thank you for looking.