in the design, installation and service of access control systems, CCTV, apartment intercoms and door alarms. ACCESS CONTROL - controllers, electronic door locks, motion sensors, remote... release. Avoid the hassle and expense of replacing locksets and brass keys with every employee termination. Restrict individual's access to specific doors. Grant access to certain..., Audible, Strobe) CCTV Digital Video Recorders (DVRs) provide fast retrieval of recorded video, and hybrid systems control digital and analog cameras. Large-storage disk drives...