Sentry Technology Wins $600,000 Public Bid

Ronkonkoma, New York, December 20, 2006 -- Sentry Technology Corporation (OTC Bulletin Board: SKVY) announced today that Palm Beach Public Library has selected Sentry Technology to supply up to 60 QuickCheck™ self-service kiosks over a three year period with 20 units to be installed in the first quarter of 2007. The total value of the contract is expected to be in excess of $600,000. Sentry was chosen over five other vendors as a result of QuickCheck’s feature-rich hardware and software. Other QuickCheck™ orders were received in the fourth quarter of 2006 from Concordia University, Brock University, Keene Memorial Library Fredericton, Greater Victoria, Ames, Loyola, Cranberry, Dunedin, Boynton Beach, Siouxland and Hastings Public Libraries for a total of 81 units.

QuickCheck™ operates in a similar fashion to a bank ATM. Patrons gain access to the library’s circulation software via a user card and touch screen video monitor. A barcode or RFID chip on the book is read, security functions performed and a receipt is printed to tell the patron what books have been borrowed and when they are due to be returned. Once the process is complete, the patron exits the library through the security system without any intervention by library staff. The entire process is fast, user friendly and frees library staff from the circulation desk to perform higher level tasks. The system includes statistical usage report software as well as remote diagnostic tools for management of the QuickCheck™ over a local network and via the internet.

“We are very pleased to be selected as the self-service supplier for Palm Beach Public Library,” said Peter L. Murdoch, President and CEO of Sentry Technology Corporation. “The public bid process is extremely thorough. Being selected from among such a strong field of bidders is further confirmation of the value of QuickCheck™. Orders for our library products have grown more than 40% in 2006 compared to 2005 and we expect this trend will continue next year.”

Sentry Technology Corporation designs, manufactures, sells and installs a complete line of Closed Circuit Television (CCTV) solutions, Electro-Magnetic (EM) and RFID based Library Management systems as well as Radio Frequency (RF) and Electro-Magnetic (EM) EAS systems. The CCTV product line features SentryVisionâ, SmartTrack, a proprietary, patented traveling Surveillance System. The Company’s products are used by libraries to secure inventory and improve operating efficiency, by retailers to deter shoplifting and internal theft and by industrial and institutional customers to protect assets and people. For further information, please visit our website at www.sentrytechnology.com.

This press release may include information that could constitute forward-looking statements made pursuant to the safe harbor provision of the Private Securities Litigation Reform Act of 1995. Any such forward-looking statements may involve risk and uncertainties that could cause actual results to differ materially from any future results encompassed within the forward-looking statements. Factors that could cause or contribute to such differences include those matters disclosed in the Company's Securities and Exchange Commission filings.