Zorro is a covert camera and digital video recorder (DVR) with dual-detection PIR/Video Motion Detection (VMD) and other powerful features packed into a small sensor case, making Zorro from Video Domain a serious law-enforcement ally. This covert camera looks like any standard sensor making it perfect for covert operations. Zorro is suited for covert surveillance with features like a small, slim design; removable SD card storage; upgradable storage capacity. It contains a sophisticated algorithm for Video Motion Detection (VMD), which combined with PIR significantly reduces false alarms and reduces storage space required. Images are date and time stamped, and watermarked for integrity to meet evidential standards. Zorro is password protected, with automatic recovery after power failures. Zorro is a mobile, solid-state plug and play device that can be deployed quickly and easily. It can remain in the field for long periods without the need for ongoing maintenance, making it perfect for surveillance purposes.