Computer hardware for tracking the location of pets, remotely controlling lighting devices within a building; Electronic devices for locating and tracking lost articles, people, pets using radio frequency, global positioning systems, cellular communication networks; Global positioning system (GPS); Global positioning system (GPS) consisting of computers, computer software, transmitters, receivers, and network interface devices; Global positioning system receivers; GPS data logger for recording trips and classifying them into different accounts; GPS navigation device; GPS receivers; GPS tracking device to be worn on the wrist of an athlete during endurance events; GPS tracking devices; Life jackets for pets; Pedometers; RFID tags worn by pets that activate pet care devices; Satellite navigational system, namely, a global positioning system (GPS); Smart watches; Smartwatch bands; Smartwatch straps; Smartwatches; Transmitter and receiver used to locate lost pets; Vehicle mounted GPS sensor for determining the rate of motion for a vehicle; Wearable activity trackers