Electrical outlet testers, radio transmitters, electric sensors, photovoltaic converters, audiovisual receivers, telephone and radio lightwave data links, automatic electrical controllers, battery packs, burglar alarms, cable connectors, cellular phones, central processing units for processing information, data, sound or images, communication software for providing access to the Internet, communications computers, comparators, computer network hubs, switches, routers, and hubs, computer programs for editing images, sound and video, computer software and firmware for operating system programs, computer software for the collection, editing, organizing, modifying, book marking, transmission, storage, manipulation, and sharing of data and information, control units for regulating motors, electrical signal converters, DC-AC power converters, digital signal processors, infra red transmitter, electrical adapter plugs, electrical adapters, alarm central units, apparatus for recording, transmission and reproduction of data, apparatus for speech recording and replaying, audio headphones, audio speakers, Automatic indicators of low pressure in tires, baby monitors, baby scales, batteries, battery chargers, electrical controllers for boilers, camera mounts and supports, computer hardware and software systems for remotely controlling lighting, underwater dive computers, electric egg timers, electric locks, electronic motion detectors, electronic door alarms, electronic locks, electronic timers, electronic measuring cups, electronic measuring spoons, personal electronic security alarms, protective covers and cases for cell phones, laptops and portable media players, remote control transmitter for radio-controlled devices, remote controls for light switches, electric appliance switches, renewable battery system to provide backup power, vehicle safety equipment, namely, electronic tire pressure, monitors, ultrasonic humidifier, electronic pest repeller, electric switch actuator, electric switch actuator timer, electronic sonar fish finder, smartphone remote control, remote controls for home theatre equipment, electronic passive loudspeaker