Scanners; Walkie-talkies; Bar code printers; Blank USB cards; Computer printers for printing documents; Computers and computer peripheral devices; Electronic notice boards; Electronic pens; Fax devices; Laser projection virtual keyboards; Multi-outlet socket blocks; Photocopy machines; Photographic projectors; Power adapters; Power inverters; Solid state drives; Wireless chargers; voltage, amperage, telephone lines, continuity testers