KIWIFOTOS UR-232 Tasman remote switch is a compact wired remote switch designed for digital camera that has a remote shutter socket. This remote switch is designed to reduce camera shake to an absolute minimum. It is a perfect choice for taking long exposure photos. The remote has a two-stage release button, half-press to focus, fully press to trigger the shutter and take a photo. For long exposure, please press the release button fully and slide it into the locked position. The shutter will stay open as long as the shutter release button is locked. To unlock the shutter, just slide the release button back to its original position. This remote is powered by camera, you don’t need to install a battery. You can also use this remote switch on different cameras by changing the connecting cables.