Brand New! Never Used!! ●It is a replacement of RM-UC1. ●This remote cord can prevent vibration during long exposures, close-ups or continuous shooting. ●Shutter Release: two-level shutter button; slide to lock Usage: - Press halfway to activates autofocus. - Press completely to take pictures. - Press and slide it to lock the shutter for bulb photography. Length : 0.9 Metres Suitable For: Fit Digital SLR Nikon D90 D3000 D3100 D5000 D7000 Included: 1x Shutter Release ( With Instruction Manual )-