Batteries, electric; Camera hardware systems for IP (Internet protocol) video surveillance; Computer network hubs; Downloadable computer software for computer system and application development, deployment and management; Electric cables; Electric door bells; Flashing safety lights; Network cards; Optical fiber cables; Optical signaling cables; Power adapters; Wireless controllers to monitor and control the functioning of other electronic devices; Wireless television set for providing video conferencing and telephone service over the Internet; Computer hardware, namely, firewalls; Computer hardware, namely, wireless access point (WAP) devices; Downloadable computer programs for network management; Electric wire and cable; Electronic devices for assisting care giving for seniors or people needing assistance comprised of sensors for determining status of person and apparatus for sending electronic alerts to care givers; Hardened units composed of microprocessors and integrated transmitters and receivers installed in the field and on board both mobile and stationary equipment in large scale mining, construction, and industrial operations to collect data from various applications, to transmit the data to central processing facilities, and to receive data transmissions directed to the applications and equipment; Programmable logic controller (PLC); Telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeaters, converters and optimizers, wave division multiplexers, free-space optics transmission systems, switches including Ethernet switches and routers, fiber-to-the-home and ethernet-over-VDSL access aggregators, terminators and repeaters, and remote presence management products, namely, switches, and console, alarm, sensor and power management devices; Wireless communication devices for voice, data or image transmission