9 Photographic apparatus and instruments, cameras, cameras lenses; cinematographic machines and apparatus; optical apparatus and instruments, namely, optical inspection apparatus, optical readers, optical shutters; surveying apparatus and instruments; measuring apparatus and instruments, namely, digitizers; signalling apparatus and instruments, namely, rotating lights, signal mirrors; apparatus and instruments for regulating electricity, namely, voltage regulators; Blank magnetic data carriers; Blank recordable optical discs; Blank recordable DVD-Rs; Blank compact discs; digital recording media, namely, blank USB flash drives; coin-operated mechanisms; cash registers; calculators; data processing equipment, namely, couplers; Mechanical or luminous advertising display apparatus, namely, digital signs; Mechanical or luminous advertising display signs; electronic advertising displays, namely, digital signage display panels, electronic advertisement and messaging display unit with multi-networking capabilities and remote connectivity, electronic interactive advertising display unit comprising audio speakers, light, smell dispenser and software controlled electronic arm to promote products with or without remote connectivity