Prevent that surveillance video who edits from recording device

The utility model provides a prevent that surveillance video who edits from recording device, including the camera, be provided with at least one mark in the shooting field of vision of camera, the mark is in form in the taken pictures's of camera the region in succession and endless picture not, this kind of prevent that surveillance video who edits from recording device simple structure receives the inspiration of " internal standard method " principle, has set up the mark in the region of camera shooting, will be in succession not endless picture interior label advance among the taken pictures of camera to stop the possibility that video data is changed by the cluster, improve surveillance video's authenticity and credibility.