TRIDENT

Digital keypads for exit door security alarm systems; burglar alarms, namely, exit door alarms; personal security alarms, namely, exit door alarms; closed circuit television systems for building security, comprised of camera controllers, camera power supply (dc), cameras, closed circuit camera lenses, intercom systems, monitors, multiplexers, passive looping switchers, and time-lapse and real-time video cassette recorders; magnifying peepholes for doors; camera mounting brackets, all of the above not for use with land vehicles