9 Recorded and downloadable software for the operation, monitoring, installation, maintenance and repair of heating, ventilation, air conditioning, water purification, power generation and power storage systems using the Internet of Things (IoT); Information technology and audio-visual, multimedia and photo graphic devices, namely, computer hardware, media players and cameras for the operation, monitoring, installation, maintenance and repair of heating, ventilation, air conditioning, water purification, power generation and power storage systems using the Internet of Things (IoT); Measuring, detecting, monitoring and controlling devices, namely, temperature sensors and electronic controllers for the operation, monitoring, installation, maintenance and repair of heating, ventilation, air conditioning, power generation and power storage systems using the Internet of Things (IoT); Apparatus, instruments and cables for electricity, namely, electrical switches, electrical connections, electrical transducers and electrical cables for the operation, monitoring, installation, maintenance and repair of heating, ventilation, air conditioning, water purification, power generation and power storage systems using the Internet of Things (IoT)