Mobile Video Products, a Division of MDI, Launches New Mobile Digital Video Recording Surveillance System

SAN ANTONIO, TEXAS – March 15, 2005, MDI Security Systems, the foundation of MDI, Inc. (NASDAQ: MDII), a recognized leader in delivering open, integrated security management and video security solutions, today announced MVP (Mobile Video Products, a division of MDI Inc.), has launched a new mobile digital video recording surveillance system for mass transit and municipal law enforcement vehicles.

MVP is a leading manufacturer of video surveillance solutions for a variety of mobile applications. The MVP product line, which also includes The Witness and Rear Vision Systems, has been installed in thousands of mass transit vehicles across the country protecting vehicle passengers and ensuring safety. MVP’s new Digital Witness product line offers both end users and dealers the benefits of a compact digital video recorder with a storage hard drive of up to 80 GB and the use of M-JPEG image compression for superior image quality. Additionally, the Digital Witness offers intelligent search capabilities specific to alarm, date and time, with multiple viewing displays and adjustable frame rate speeds in order to capture and evaluate critical events as they occur.

The Digital Witness also offers several unique features which include “Five Signal Recording”, on screen brake light, turn signals, hazard lights, stop arms and speed as well as “Smart Speed”, a built-in speed conditioner.

Purchasing Information
For immediate information on how to purchase MVP’s Mobile Video Surveillance Solutions or to become certified MDI dealer, contact the MDI Solutions Account Management team at, 800-355-6871 ext. 4301 or e-mail sales@mobilevideo.com. For additional information on MVP please visit www.mobilevideo.com.

About MDI, Inc.
MDI, Inc. (NASDAQ: MDII) is an established global leader in providing centralized, integrated security management solutions to corporate, government, and institutional enterprises.

About MDI Security Systems
For over 25 years, MDI Security Systems has been protecting clients across the globe by delivering the most innovative and dependable integrated security management solutions available. As a security industry pioneer and recognized leader in advanced security research, MDI continues to deliver value to its stakeholders through the development of market-driven, technically superior integrated security technology platforms that can be comprehensively managed from a centralized point of command, contain and control. The MDI product family has protected thousands of customers around the world including many of the most secure government facilities, financial institutions, healthcare organizations, manufacturing companies, energy and power providers, gaming and entertainment establishments, educational institutions and Fortune ranked corporations. For more information on MDI Security Systems including its solutions, subsidiaries and partners, please visit www.mdisecure.com.

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