Digital photo frames; Electric door bells; LED display device in the nature of smartphones and handheld personal computers used for guiding the person how to play the piano; Thermo-hygrometers; DVD players; Portable DVD players; Water leak detector for use with water supplied home appliances consisting of water sensor, control unit with audible alarm and water valves; Meat thermometers; Smoke detectors; Smoke alarms; Electronic display interfaces and climate control systems consisting of digital thermostats for cooling equipment, and a programmable logic controller (PLC) with input and output features for temperature and humidity, which works with a remote digital read out controller used to regulate plant environments; Electronic apparatus in the nature of computers and sensors for monitoring pressure, humidity, and temperature of plant environments; Trackers in the nature of transmitter and receiver used to locate lost pets, transponder location system, and electronic devices used to locate lost objects employing radio frequency; Wearable activity trackers; Wireless electronic devices, namely, wireless key finders used to locate lost keys using radio frequency, global positioning systems, and cellular communication networks; Headphones; Earphones; Baby monitors; Video baby monitors