Carrying cases, holders, protective cases and stands featuring power supply connectors, adaptors, speakers and battery charging devices, specially adapted for use with handheld digital electronic devices, namely, cell phones, MP3 players, personal digital assistants; Circuit boards; Electric switches; Electro-dynamic apparatus for the remote control of signals; Electronic key fobs being remote control apparatus; Keypads for electric garage door openers and closers; Portable photography equipment, namely, reflectors, tripods, light stands and supports and bags specially adapted for these goods; Radio transmitters and receivers for remote controls, radio controls; Relays, electric; Wireless controllers to remotely monitor and control the function and status of other electrical, electronic, and mechanical devices or systems, namely, remote metering systems, gas and liquid cylinders, vehicle tracking devices, energy and utility systems, security systems, lighting systems