About This The small shutter releases the shutter release cable The product is very small and light, easy to carry, Product size: about 4cm * 2cm * 1cm /10G The shutter socket of the camera is in the same direction as the camera lens, with a large circular port of 11pin camera users note that some models can be set to use the shutter button to control video shooting (set the shutter button to REC), please read the details carefully. The size buttons on the RC301 are all camera functions, the large button has two gears (half press to focus, press to take photos), and the small press to take photos and focus at the same time The line length is available in two styles: 30cm/11.8 inches and 5 meters /196.8 inches to suit the different shooting needs of users No battery required, no charging, take power from the camera (small power does not affect the power) Overview Brand : DYTDIEYINGTU Special Feature : Universal Color : black Max Number of Supported Devices : 1 Compatible Devices : Camera