Hygrometers; Thermostats; Climate control digital thermostats; Electric sensors; Fire extinguishing apparatus; Kitchen timers, non-electric; Light switches; Lighting control apparatus; Measuring apparatus for temperature and humidity levels in gases and solid substances; Optical sensors; Photoelectric sensors; Power switches; Remote control telemetering apparatus; Sensors for determining temperature; Temperature sensors; Temperature transmitters; Thermometers not for medical purposes; Time re...