Cameras; Videophones; Vidicons; Alarm bells, electric; Anti-theft locks specially adapted to personal electronic devices, namely, laptops; Audio-receivers and video-receivers; Batteries and battery chargers; Battery chargers; Electric buzzers; Electric door bells; Electronic device for monitoring and optimizing photovoltaic arrays; Locks, electric; Magnifying peepholes for doors; Microphone modules; Recording devices for sound and image carriers; Smoke alarms; Smoke detectors; Solar cells; Th...