OLYMPUS genuine flash light FL-LM1. I have never used it since I bought it. I took it out of the bag for the first time for the photos. The case was also only opened once when I bought it. Please purchase only if you understand that it has been stored by a private individual. Compatible with PEN series PEN E-PL...E-PL3, E-PL5, E-PL6, E-PL7, E-PL8 PEN E-PM...E-PM1, E-PM2