Alarm monitoring systems; Audio-receivers and video-receivers; Baby monitors; Burglar alarms; Cabinets for loudspeakers; Camcorders; Car video recorders; Electric door bells; Electric plugs; Hands-free kits for phones; LCD monitors for security purposes; Optical lenses; Power adapters; Remote video monitoring system consisting primarily of a camera and video monitor for recording and transmitting images to a remote location; Smoke alarms; Smoke detectors; Transducers that utilize ultrasonic o...