EX1 / EX1R/EX260 / EX280/EX300K /PMW300 camera cable remote controller wire control device camera accessoriesGeneral camera controller, simply toggle switch (patent).Through sensitive to pressure switch control lens zoom fast speed.Is equipped with a socket cable.EG wide range of USES, can be caught in a tripod or rocker lever, stand alone, stabilizer, and other similar devices.Light and compact.Has a very high cost performance.Can control the zoom.Record the start and pause.