DVR dashcamera usage

@marknabil We ask that questions be directed to http://answers.ros.org as per the FAQ and following our Support policy

When you do so please be more specific about how this relates to ROS and provide enough information for someone to reproduce your issue. As stated your question does not have enough information to be answerable. However for your question a better forum is likely a product support forum for the product that you are using or considering using.