9 Apparatus and instruments for weighing, measuring, signalling, checking (supervision) of electricity, heating, ventilation, air conditioning, cooling, lighting, cameras, alarms, and of surveillance and safety systems; apparatus and instruments for activating, monitoring, conducting, regulating and controlling of electricity, heating, ventilation, air conditioning, cooling, lighting, cameras, alarms, and of surveillance and safety systems; apparatus and instruments for remote actuation, remote monitoring, remote regulation and/or remote control of electricity, heating, ventilation, air conditioning, cooling, lighting, cameras, alarms, and of surveillance and safety systems; computer programs and computer applications, including computer programs and computer applications for remote actuation, remote monitoring, remote regulation and/or remote control of electricity, heating, ventilation, air conditioning, cooling, lighting, cameras, alarms, and of surveillance and safety systems; computer programs and computer applications for tracking, and retrieval of vehicles, caravans, trailers, boats and other products; computer systems for tracking and retrieval; computer systems for tracking and retrieval based on GPS of vehicles, caravans, trailers, boats and other products; burglar alarms; computer systems for warning of power failure, smoke, fire, water leaking, gas leaking, frost or low temperatures