Access control security system available by clicking above. Access control security system related phrases on Omnilock.com include ford door locks, gm keyless entry system, keyless rv door locks, automobile keyless entry systems, and previa door lock. OSI Security Devices introduced one of the World’s First battery-operated standalone electro-mechanical locks. OSI Security Devices is a privately held corporation that was founded in 1986 in Sunnyvale, California. OSI will continue to prove itself to be the most technically innovative and responsive company in the industry. Please visit www.RentalLock.com for a look at the brand new and revolutionary OEM product that we have designed and manufactured. The worlds First stand alone access control system was developed by OSI Security Devices. dedicated to customer satisfaction while maintaining a reputation as the manufacturer of the highest quality, security products in the industry. The OM250, while aged in technology, still stands as one of OSI's most widely used systems. OSI's 100, 300, and 500 Series is one of the most innovative systems available in the standalone market. OSI has preserved a connection with the original product line while providing a forward upgrade path for system users. Since then, OSI has been a leader in stand alone access control systems in the United States. The first of its kind, the OM250 still stands a model of excellence and superiority. OM2000 has the ability to enroll up to 2000 users per lock and to manage facilities of over 65,000 users. founded in 1986 in Sunnyvale, California, OSI Security Devices introduced one of the world's first battery-operated standalone electro-mechanical lock.