9 Optical lanterns; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity, namely, electric accumulators, electric transformers, electric current switches, electric connectors, rectifiers, electric signal attenuators, voltage regulators, electrical loop controllers, alternating and direct current electric voltage converters and electric light dimmers; Electric light control apparatus, namely, electric light switches; Optical sensors; Light regulators being electric light dimmers; Light and laser diodes; Electric alarm and monitoring apparatus and instruments, namely, alarm monitoring systems; Circuit breakers; Switching equipment, namely, electric switches, and electric switch housings; Motion detectors; Smoke and fire detectors; Fuses; Electric contacts; Electric and electronic sensors for noise, movement, light, liquid, smoke, temperature, gas, and contact; Photoelectric sensors; Smoke, heat and fire alarms; Electric alarm installations; Electric and electronic video surveillance installations; Video intercommunication apparatus, namely, video phones, video monitors, video receivers, video cameras, and video transmission apparatus; Intercommunication systems comprised of computer hardware and recorded software for the transmission of data between two points, telephones, digital phones, internet phones, cell phones, and telephone receivers; House telephone installations, namely, telephone apparatus and receivers; Electric door bells and buzzers; Gas leak warning apparatus, namely, gas alarms; Communication and monitoring apparatus for houses and apartments, namely, video cameras, computer monitors, intercoms, intruder detection systems comprised of burglar alarms and video monitors; Intruder and motion alarm apparatus, namely, personal security alarms and anti-intrusion alarms; Light-emitting diodes