The FOTGA RM-VS1 Camera Remote Control Shutter Release Cord is a unit that allows you to remotely control your camera's shutter release. It is compatible with Panasonic, Sony, and other brands. The cord is 100cm/39.4in long and weighs approximately 79g. It is powered by AA batteries and has no connectivity options. The unit is designed to work with cameras that have a maximum aperture and screen size, which are not specified.