Features:

Prevent vibration : This remote cord can prevent vibration during long exposures, close-ups or continuous shooting.
Halfway pressed button: The shutter release button of this remote cord can be pressed halfway for auto-focus and exposure metering.
Shutter release button lock : A shutter release button lock is available which for long exposures shooting and continuous shooting.
All electronic no batteries needed.

Specifications:

Model: RM-UC1
Length of cord: 90 cm ( 3 ft. approx. )
Shutter release button: Dual Stage Button (halfway / complete)
Button lock: Available, Slide Style

Package:

1pcs item as picture show