Oscillographs; Apparatus for recording, transmission, processing and reproduction of sound, images or data; Computer hardware and peripherals therefor; Electricity meters; 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; Electronic products for the manipulation of the frequency, time, and amplitude characteristics of audio signals, namely, audio processors; Environmental monitoring system comprised of meters and sensors that measure pressure, humidity, temperature and includes alarm and reporting functions; Measuring apparatus, namely, clamp meters for measuring electricity; Measuring instrumentation and apparatus, namely, digitizers; Portable electronic recorder for measuring and recording multiple voltage, current and thermocouple readings from various transducers; Surveying apparatus; Surveying instruments; Technical measuring, testing and checking apparatus and instruments for measuring, testing and checking the temperature, pressure, quantity and concentration of gas and liquids; Transmitters of electronic signals