This replacement remote cable is an 8pin mini-din to 2.5mm phone jack cable made specifically for the Datavideo PTR-10 MK II Camera.The Remote port, when connected to the camera, allows you to access certain functions of the camera such as ZOOM and FOCUS. To use this function, you will need to first enable LANC or BX-Lens mode by accessing the OSD menu option, Remote Out Mode, on your PTR-10 MARK II device. If the LANC mode is enabled, connect the Remote port of PTR-10 MARK II to the camera's 2.5 mm earphone jack via a remote cable.