Smartwatches; Air analysis apparatus; Air quality measurement apparatus, namely, particle counters; Chronographs for use as specialized time recording apparatuses; Data processing apparatus; Distance measuring apparatus; Downloadable mobile applications for data recording for body temperature measurement, object temperature, distance, alcohol content measurement, environmental alcohol function measurement, hangover power measurement, blood oxygen measurement, sleep monitoring, physical stress test, taking photos, editting photos and automatically contacting emergency contacts in case of critical situations after drinking; Dust measuring apparatus; Electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, air quality and water quality; Electronic detectors for observing and measuring the infrared spectrum, namely, infrared detectors; Environmental monitoring system comprised of meters and sensors that measure pressure, humidity, temperature and includes alarm and reporting functions; Fine dust measuring apparatus; Gas sensors for measuring gas concentration; Gas testing instruments; Global positioning system (GPS) apparatus; Height measuring instruments; Infrared thermometers, not for medical purposes; Instruments for measuring length; Iris recognition security devices; Lap-counting devices, namely, counters for use during sporting activities; Length measuring gauges; Measuring apparatus for temperature and humidity levels in gases and solid substances; Measuring apparatus, namely, laser distance meters; Microsensors for measurement of pressure, acceleration, force and flow, namely, silicon piezoresistive pressure sensors; Portable dust measuring apparatus; Portable ultrafine dust measuring apparatus; Pressure measuring apparatus; Pressure measuring apparatus; Radiation-measuring instruments; Scientific instruments, namely, electronic analyzers for measuring, testing and detecting contaminants and environmental pollutants; Smartphones in the shape of a watch; Software as a Medical Device (SaMD), downloadable, for measuring and displaying the electrical signal produced by the heart; Technical measuring, testing and checking apparatus and instruments for measuring, testing and checking the temperature, pressure, quantity and concentration of gas and liquids; Thermometers, not for medical purposes; Wearable activity trackers; Wearable electronic proximity sensors with embedded contact tracing software for monitoring and alerting of social distances, distance measuring among wearers