Alarm installations and alarms; Alarm monitoring systems; Alarm sensors; Burglar alarms; Camera hardware systems for IP (Internet protocol) video surveillance; Downloadable cloud-based software for for video doorbell and home security; Downloadable computer software for use as an application programming interface (API); Downloadable computer software for electronic devices including mobile phones, tablets, computers, and doorbells, namely, software for use in recording, viewing, storing, sharing, communicating and analyzing audio and video; Home and office automation systems comprising wireless and wired controllers, controlled devices, and software for lighting, HVAC, security, safety and other home and office monitoring and control applications; Home and office electrical power automation systems comprising wireless and wired controllers, controlled devices, and software for appliances, lighting, HVAC, security and other home and office electrical power monitoring and control applications; Access control and alarm monitoring systems; Building security systems comprising software and hardware for providing picture, video, alarm status, building plans, and other information to a remote station; Cover for an electric door bell that attaches to the doorbell to block its use; Electric door bells