Alarm central units; Alarm installations and alarms; Batteries; Batteries, electric; Burglar alarms; Connectors for electronic circuits; Downloadable computer software for security monitoring purpose, database management; Downloadable computer game software via a global computer network and wireless devices; Fire-extinguishing systems; Fire alarms; Fire extinguishers; Fire extinguishing apparatus; Gas alarms; Gas detectors for detecting the presence of gas; Laptops; Locks, electric; Magnets; ...