42 Development of devices and computer and telecommunications hardware for the monitoring, controlling and operating of garden gates, garage doors, yard gates, exterior and industrial gates as well as of electric home and building technology; development of devices and computer and telecommunications hardware for the installation, maintenance and management of devices, of computer and telecommunications hardware and of computer and telecommunications software, of software apps and of computer databases for the monitoring, controlling and operating of garden gates, garage doors, yard gates, exterior and industrial gates as well as of electric home and building technology; development, installation and maintenance of computer and telecommunications software, software apps and computer software for the monitoring, controlling and operating of garden gates, garage doors, yard gates, exterior and industrial gates as well as of electric home and building technology; development, installation and maintenance of computer software, telecommunication software, software apps and computer software for the monitoring, controlling and operating of garden gates, garage doors, yard gates, exterior and industrial gates as well as of electric home and building technology; rental of electric and electronic devices, computer hardware, computer software and of telecommunications software and software apps for the monitoring, controlling and operating of garden gates, garage doors, yard gates, exterior and industrial gates as well as of electric home and building technology; rental of electric and electronic devices, computer hardware, computer software, telecommunication software and of software apps and computer software for the installation, maintenance and management of electric and electronic devices, software and software apps for the monitoring, controlling and operating of garden gates, garage doors, yard gates, exterior and industrial gates as well as of electric home and building technology; installation, repair and maintenance of telecommunications software and software apps and of computer software for the monitoring, controlling and operating of garden gates, garage doors, yard gates, exterior and industrial gates as well as of electric home and building technology; rental of telecommunications hardware for the monitoring, controlling and operating of garden gates, garage doors, yard gates, exterior and industrial gates as well as of electric home and building technology; rental of telecommunications hardware for the installation, maintenance and management of electric and electronic devices, of software and of software apps for the monitoring, controlling and operating of garden gates, garage doors, yard gates, exterior and industrial gates as well as of electric home and building technology