home security systems apartments
, 202 FIG. 2A and/or with a central server or a cloud computing system to provide a variety of useful smart home functions. The smart home environment 100 may include one or more intelligent, multi sensing, network connected thermostats 102 hereinafter referred to as “smart thermostats 102”, one or more intelligent, network connected, multi sensing hazard detection units 104 hereinafter referred to as “smart hazard detectors 104”, one or more intelligent, multi sensing, network connected entryway interface devices 106 and 120 hereinafter referred to as “smart doorbells 106” and “smart door locks 120”, and one or more intelligent, multi sensing, network connected alarm systems 122 hereinafter referred to as “smart alarm systems 122”. The smart doorbell 106 and/or the smart door lock 120 may detect a person's approach to or departure from a location e. g. , an outer door, control doorbell/door locking functionality e. g. , receive user inputs from a portable electronic device 166 1 to actuate bolt of the smart door lock 120, announce a person's approach or departure via audio or visual means, and/or control settings on a security system e. g. , to activate or deactivate the security system when occupants go and come. In some implementations, the smart doorbell 106 includes some or all of the components and features of the camera 118.