Bicycle safety lights; Electronic devices for animal locating and tracking programmed to use global positioning systems (GPS) and cellular communications; Electronic devices, namely, energy meters for tracking and monitoring energy usage; Electronic devices, namely, energy submeters for tracking and monitoring energy usage; Electronic devices, namely, radio frequency repeaters used in long range communication for tracking and monitoring energy usage; GPS tracking device to be worn on the wrist of an athlete during endurance events; GPS tracking devices; Photovoltaic installation apparatus, namely, solar modules for production of electricity, solar thermal and electric receivers, tracking mechanisms and concentrating optics, and control algorithms; Vehicle locating, tracking and security system comprised of an antenna and radio transmitter to be placed in a vehicle; Wireless transceivers with collection and display technology for the status and tracking of all vehicle types in local environments; Wireless transceivers with collection and display technology for the status and tracking of retail goods from the backdoor to the shelf