Specifications include, but are not limited to: digital video recorder (DVR) monitor surveillance system tied into a digital video recorder (DVR) which shall combine video multiplexing, recording, and viewing locally the appropriate number of cameras for the location cameras for interview rooms capable of exporting video and audio which can be saved to USB drives, CD using the built-in burner or via a remotely connected computer. System is capable of simultaneous export, review and recording on all six channels, allowing multiple interviews without interruption. cameras, to include pan, tilt, zoom, fixed-mounted, tamper proof, and weatherproof (if applicable) external cameras which can be mounted with tilt-drive housing enabling cameras to move, zoom, and provide the best possible view for surveillance. external cameras which are high impact vandal resistant and weatherproof digital camera & audio recorder for interview rooms door alarms key pads card readers digital locks – Loblby door reader aboube, requested with timer option ; 2. Digital Video Recorder. Example of features of the DVR may include: DVR capable of reproduction of the video to CD, DVD, USB flash drive, SD memory card, and/or Blue-Ray DVD media or other local or networked mass storage device Time stamping and password-based security required to fulfill chain of custody requirements ; 16-channel audio recording Cost-effective user-friendly surveillance solution Network-friendly dual streaming for efficient and flexible video transmission .