Amplifiers for wireless communications; Blank USB flash drives; Computers and computer peripherals; Digital door locks; Digital projectors; Earphones and headphones; Electronic transmitters for jamming signals; Gas testing instruments; Infrared cameras; Infrared detectors; Navigation apparatus for vehicles in the nature of on-board computers; Personal security alarms; Projectors particularly projectors for the entertainment industry; Radon detectors; Remote video monitoring system consisting ...