The PROMASTER SystemPRO PROFESSIONAL REMOTE SHUTTER RELEASE is a deluxe remote switch with a unique modular capability. The included cables allow you to use the release at a distance of up to 6 ft. while replicating all of the functions of the camera's shutter release button. The SystemPRO PROFESSIONAL REMOTE SHUTTER RELEASE is the perfect accessory for taking pictures of subjects that are difficult to approach or to minimize camera shake for close-up and time exposure photos.