Visonic, Ltd. and its subsidiaries engage in the design, development, manufacture, and marketing of security systems and components for institutional, commercial, and residential customers for personal and property protection. Its products include wireless siren, door/window transmitters, GSM communicators, keypad/remote commanders, portable transmitters, receivers, repeaters/range extenders, and Web-based visual surveillance and control systems. The company also offers security policy database displacement detectors, wireless detectors, motion detectors, glass-break detectors, and photoelectric detectors, as well as supervised and non-supervised detectors. In addition, it offers speech processors, speech dialers, social alarms, detector accessories, and control panel accessories; and provides access control, personal alert signaling, asset management, and local positioning systems. It markets its products through a network of subsidiaries, distributors, and sales representatives primarily in mainland Europe, North America, the United Kingdom, Israel, the Far East, and Pacific. The company has strategic alliances with Securitas AB, S1 Corporation, and Siemens Building Technologies. Visonic was founded in 1973 and is headquartered in Tel Aviv, Israel.