Calculators; Hygrometers; Timers; Apparatus and instruments for weighing; Calculating machines and data processing equipment; Carbon dioxide detectors; Countdown timers and alarms to remind a person to take or give medication and/or to remind a person of daily routines, incorporated into a wristband; Digital photo frames; Electronic kitchen timers; Hand-held electronic scales; Leak detecting device for water supplied home appliances consisting of water sensor, control unit with audible alarm and water valves; Safety sensors, namely, carbon monoxide detectors, smoke detectors, and combination carbon monoxide and smoke detectors; Sensors for the determination of temperatures, positions and distances; Surveying machines and instruments; Technical measuring, testing and checking apparatus and instruments for measuring, testing and checking the temperature, pressure, quantity and concentration of gas and liquids; Temperature indicators; Temperature transmitters; Thermometers not for medical purposes; Vibration sensors; Weighing apparatus and instruments