Burglar alarms; Carbon monoxide detectors; Compasses for measuring; Day and night vision systems primarily comprising day and night sensors, day and night cameras, power sources, communication means, monitors and operating software; Electrical and electronic burglar alarms; Fire alarms; Gas testing instruments; Lifesaving vests for use by dogs; Nose clips for divers and swimmers; Slide calipers; Smoke detectors; Buoyancy compensator devices for divers; Climate control systems consisting of di...