Thermostats; Timers; Climate control systems consisting of digital thermostats, air conditioning, heating, ventilation and drying control devices; Electric transformers; Electric voltage transformers; Electronic apparatus, namely, electronic display boards, plasma display boards, electronic display screens; Fire extinguishing apparatus; Flat panel display screens; Infrared sensors; LCD large-screen displays; Light systems comprising light sensors and switches; Motion sensors; Optical sensors; Remote control telemetering machines and instruments; Security alarm controllers; Sensors for determining position, velocity, acceleration and temperature; Temperature sensors; Temperature switches; Time switches; Time switches, automatic; Touchscreen monitors; Vibration sensors; Voltage stabilizers