Research and development of new products and services within the field of security systems, alarm and warning systems, home alarms, burglar alarms, intruder alarms, sound alarms, fire alarms, smoke alarms, water leakage alarms, narcosis gas alarms, gas alarms and fire-extinguishing equipment; engineering, providing information relating to technological research and development within the field of security systems, alarm and warning systems, home alarms, burglar alarms, intruder alarms, sound ...