RM-UC1 Remote Switch Shutter Release cord for Olympus PEN EP-1, PEN EP-2, PEN E-P3, PEN E-P5, PEN E-PL2, PEN E-PL3, PEN E-PL5, PEN E-PM1, PEN E-PM2 Digital Camera Package includes: Remote Switch Shutter Release cord x 1 Two stage release button: Halfway pressing for autofocus,complete pressing takes the picture. Lock the button for long exposures or continuous shooting. The release button reacts fast and fine.