Olympus FL-300R Compact Flash for Olympus Micro Four Thirds Digital Cameras DSLR Camera Flash Pen Series Camera Flash Olympus Camera Flash Functions as a bounce flash and wireless remote flash with enough power for snapshots Can be used in tandem with the cameras builtin, pop-up flash, or as an alternative to it Ability to function wirelessly through a remote control function on the new E-P3 Designed in silver to match the new PEN lineup