Vivitar VIV-RC-100-D90 Wired Shutter Release Fits Nikon D300, Nikon D700 (Black) Wired Shutter Release Instant Release Allows Users To Press Shutter Release Once & Take Immediate Pictures 2-Sec Release Gives Users Extra Time Before Picture Multi-Exposure Takes 5 Consecutive Pictures Or User Can Hold Button For Continuous Shutter Release Long Exposure Mode