Alarm monitoring systems; Apparatus for wireless transmission of acoustic information; Audio speakers; Devices for wireless radio transmission; Digital music system that synchronizes digital music files stored on a home unit and a car unit; Electric sensors; Electric sockets; Electronic video surveillance products, namely, electronic components of security systems; Environmental monitoring system comprised of meters and sensors that measure pressure, humidity, temperature and includes alarm and reporting functions; Fire alarm and emergency evacuation devices, namely, fire alarm control panels, smoke detectors, heat detectors, alarm pull stations, audible and visible notification appliances, strobes, sirens, bells, horns, and speakers; Gas sensors for measuring gas concentration; Home and office automation systems comprising wireless and wired controllers, controlled devices, and software for lighting, HVAC, security, safety and other home and office monitoring and control applications; Humidity sensor with integrated digital and analog output circuitry used in automotive, appliance and light industrial applications to sense both relative humidity and temperature environmental conditions; Leak detecting device for water supplied home appliances consisting of water sensor, control unit with audible alarm and water valves; Lighting controls; Magnetic door covers with a printed image thereon for affixing to metal doors; Magnetic encoders; Mobile computing and operating platforms consisting of data transceivers, wireless networks and gateways for collection and management of data; Occupancy sensors, namely, electronic devices which detect the presence of occupants and control the lighting system accordingly; Optical sensors; Personal security alarms; Photoelectric sensors; Pressure sensors; Proximity sensors; Security alarm controllers; Semiconductors; Sensors for determining position, velocity, acceleration and temperature; Smoke alarms; Temperature sensors; Vibration sensors for installation in wind mill housings; Video monitors