I'm selling this because I've stopped my photography activities. I tried it on for one day after purchasing it, but haven't used it since, so I think it's in almost perfect condition. Operation has been confirmed. The Godox TT600S is a strobe with wireless and dimming functions. - Model Name: TT600S - Brand: Godox - Included Accessories: Instruction manual, case - Functions: Wireless, dimming function - Condition: Good Thank you for looking. Returns are not accepted.