GPS, lora, wi-fi, bluetooth tracking devices, namely, vehicle trackers, personal trackers, child trackers, indoor and outdoor positioning trackers, vehicle trackers, cargo trackers, lora, wi-fi, GPS, bluetooth trackers; computer hardware and software for monitoring and control of people and assets safety and security, and monitoring and control of environmental parameters; electronic equipment for automatic monitoring and control of air quality, temperature, and illumination through electronic sensors and motorized actuators; school automation control systems comprising wireless and wired controllers, electric and electronic control devices to operate lighting, temperature, and air condition parameters, all the aforesaid products for monitoring and controlling of thermostats, security sensors, light bulbs, light switches, electrical outlets, cameras, and smart electric panels and wireless control hubs, air purifiers, humidifiers, dehumidifiers, air conditioners, fans, heaters and vacuums; safety system for natural and man-made disaster monitoring and early warning, which includes electronic sensors, wireless and wired controllers, and wireless control hubs which can optionally be connected to motorized actuators and surveillance cameras with ability to transmit video via the internet, local area networks, cellular networks, satellite and other means as well as save video into internal or cloud storage; safety system for vehicles comprising SOS signaling buttons, vehicle diagnostic modules, wireless and wired electronic sensors, namely, seat belt sensors, electric and electronic locks for seat belts, sensors for seat belt, sensors for passenger presence detection, tire pressure sensors, air quality sensors, temperature sensors, humidity sensors; warning equipment incorporating digital indicators for driving, speed, harsh turning, braking and acceleration, and seat belt use; safety system for a school bus which can optionally be connected to motorized actuators and surveillance cameras with ability to transmit video via the internet, local area networks, cellular networks, satellite and other means as well as save video into internal or cloud storage