Photive PH-MCDC2 Remote Shutter Release Cord for Nikon Digital SLRs (Nikon MC-DC2 Replacement) Nikon MC-DC2 Replacement Compatibe with Nikon D90, D3100, D5100, D5000, D7000, D4 Two-Stage shutter button- Halfway Press activates autofocus. Full Pess Takes the picture Replicates functions of the camera's shutter button. 1 Year Warranty