SmartGate III Safety Sensors to Be Offered as Pre-Installed Option in Magnetic Line of Parking Barrier Gates SARASOTA, Fla., Sept. 13 /PRNewswire-FirstCall/ -- Invisa, Inc. (OTC Bulletin Board: INSA), an electronic life safety and security company that commercializes patented presence-sensing technologies, announced today that Magnetic Automation Corporation intends to offer the SmartGate III(TM) safety sensor as a pre-installed option for the Magnetic line of parking barrier gates sold in the North American market. Magnetic has issued a purchase order for approximately 1000 units, with initial deliveries to commence in October 2004, then increasing throughout calendar 2005. This is the largest order that Invisa has received since it was founded. The SmartGate III safety sensor is based upon the InvisaShield(TM) 4th generation design. SmartGate III is the only non-contact sensor available that travels with, and precedes a closing gate arm, sensing conductive objects in its path before making contact. Magnetic has now completed more than three months of in-house testing and plans to offer the new sensor as a factory- installed option to dealers throughout North America. Magnetic management stated that, "the 4th generation SmartGate III sensor performs better than anything we have tested to date. We look forward to making this design available to all of our customers." Magnetic Automation is the largest manufacturer and OEM supplier of parking barrier gates in North America. About Magnetic Automation: Magnetic Automation USA is a subsidiary of the Magnetic Autocontrol Group (http://www.magnetic-autocontrol.com/), a business of CRH Fencing & Security. With a direct sales offices and/or production in the USA, Australia, China, Malaysia, India and Brazil, Magnetic is a global leader in vehicle access and pedestrian access (parking systems, barriers, turnstiles and control systems). About Invisa: Invisa's versatile, reliable, compact next-generation presence-sensing solutions are targeted to the $100 billion-plus global electronic life safety and security markets. InvisaShield, a robust and advanced implementation of capacitive sensing technology, is highly resistant to known methods of circumvention. It does not employ infrared, laser, ultrasound or microwave radiation. SmartGate(R) safety systems incorporate the InvisaShield capacitive- sensing technology to generate an invisible protective field around the leading edge of powered gates, garage doors, sliding doors and other powered closures. A video showing SmartGate in action can be viewed at http://www.invisa.com/. This Press Release contains certain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. The company has tried, whenever possible, to identify these forward-looking statements using words such as "anticipates," "believes," "estimates," "expects," "plans," "intends," "potential" and similar expressions. These statements reflect the company's current beliefs and are based upon currently available information. Accordingly, such forward-looking statements involve known and unknown risks, uncertainties and other factors which could cause the company's actual results, performance or achievements to differ materially from those expressed in or implied by such statements. Factors which may cause such differences include, but are not limited to, a continuing and successful relationship with Magnetic, the company's ability to meet the planned delivery schedule, cancellation of orders, and other risks disclosed in the Company's SEC filings. The company undertakes no obligation to update or advise in the event of any change, addition or alteration to the information covered in this press release, including such forward-looking statements. For information on SmartGate III and InvisaShield visit http://www.invisa.com/ or call 800.863.6391. For Investor Relations contact Dave Gentry, Aurelius Consulting Group, 225 S. Swoope Ave, Suite 214, Maitland, FL, 407.644.4256; or http://www.runonideas.com/. For Information on Magnetic Control Parking Barrier Gates contact Chris Wtipil, Magnetic Automation Corporation, 3160 Murrell Road, Rockledge, FL, 321.635.8585; . DATASOURCE: Invisa, Inc. CONTACT: Dave Gentry of Aurelius Consulting Group, +1-407-644-4256, ; or Chris Wtipil of Magnetic Automation Corporation, +1-321-635-8585, Web site: http://www.invisa.com/

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