The JJC S series Remote Switch is a compact wired remote switch with a cable which replicates all functions of the camera's shutter release button. Handy for taking pictures of subjects that are difficult to approach, or to minimize vibration for close-ups and time exposure.
How to use
Press the button half-way in to autofocus
Depress the button fully to trigger the shutter
Press the button and slide it forward to lock for long exposures