FOR IMMEDIATE RELEASE

For more information contact:
David George (630) 377-6674 x1385
Jim Nowakowski (847) 358-4848

i³ Series Smoke Detectors Now ETL Listed

i3 Series Smoke Detectors Now ETL Listed St. Charles, IL (June 2009) – System Sensor today announced the inclusion of the ETL Listed Mark to its i³ line of smoke detectors. The ETL Listed Mark, the fastest growing safety certification mark in North America, verifies that i³ products meet the minimum requirements of widely accepted product safety standards, and that System Sensor has agreed to periodic follow-up inspections to verify continued compliance.

The ETL listing is provided by Intertek, a leading Nationally Recognized Testing Laboratory (NRTL) and provider of quality and safety solutions serving a wide range of industries around the world. The company maintains more than 1,000 laboratories and offices in 100 countries worldwide. NRTLs are recognized by the Occupational Safety and Health Administration (OSHA) to test products to the specifications of applicable product safety standards, including industries such as fire/life safety, automotive, power systems, and semiconductors, to name a few.

“System Sensor is proud to include the ETL Listed Mark on our best-selling i³ products,” said Tom Potosnak, General Manager, System Sensor U.S. “This mark, which is becoming more accepted by AHJs and industry leaders, objectively confirms our commitment to deliver life-saving products that are safe to install, maintain, and operate.”

To learn more, contact System Sensor at 800/736-7672 or visit www.systemsensor.com/i3.

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NOTE: Please send leads to System Sensor, 553 N. North Court, Ste. 110, Palatine, IL 60067 E-mail: leads@interlinegroup.com

About System Sensor:

System Sensor is a global manufacturer of fire detection and notification devices, specializing in smoke detection and notification technology. System Sensor places a premium on research and development, resulting in products that are reliable, sophisticated and designed for real-world applications. With sales, service and manufacturing facilities throughout the Americas, Europe and Asia, System Sensor’s high-quality, innovative products are the most comprehensive in the industry. For additional information, please visit www.systemsensor.com.

This release contains forward-looking statements as defined in Section 21E of the Securities Exchange Act of 1934, including statements about future business operations, financial performance and market conditions. Such forward-looking statements involve risks and uncertainties inherent in business forecasts as further described in our filings under the Securities Exchange Act.