NAPCO Security Technologies, Inc. is a manufacturer of security products, encompassing access control systems, door-locking products, intrusion and fire alarm systems and video surveillance products. These products are used for commercial, residential, institutional, industrial and governmental applications, and are sold across the world principally to independent distributors, dealers and installers of security equipment. The Company manufactures and markets various products for alarm systems, which include automatic communicators, control panels, combination control panels/digital communicators and digital keypad systems, fire alarm control panel and area detectors. It manufactures a range of door locking devices, including microprocessor-based electronic door locks with push button, card reader and bio-metric operation, door alarms, mechanical door locks and simple dead bolt locks. It also markets peripheral and related equipment manufactured by other companies.