Computer hardware, data collection terminals and network interfaces for use in networks, namely, for use in Information and security systems, for use in intercom systems, for use in announcement and paging systems; data collection terminals that collect information about environmental conditions, security, access control and emergency conditions for use over a network; computer programs for providing security monitoring, security systems control, access control, detection of environmental conditions, and visual and audible announcements over a computer network; [electric and optical sensors for monitoring environmental conditions,] security, access, visual and audible announcements equipment; devices for recording, transmitting and reproducing sound and images;[ power supplies and uninterruptible power supplies; alarm devices, namely, sensors, smoke detectors, motion detectors, access detection switches, transmitters,] visual and audible announcement equipment and parts therefore, and electrical monitoring devices for monitoring environmental conditions and access for a facility

Development, design and maintenance of computer programs for data collection and data transmission for others; technical research and consultation for data collection and data transmission