MC-DC2 Remote Switch Shutter Release cord for Nikon COOLPIX AP7700P7800 Digital Camera and Nikon D90, D600D610D3100, D3200, D5000, D5100, D5200, D5300, D7000, D7100 Digital SLR 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.