, 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. In some implementations, the smart doorbell 106 includes a camera 118, and therefore, is also called “doorbell camera 106” in this application. The smart alarm system 122 may detect the presence of an individual within close proximity e. g. , using built in IR sensors, sound an alarm e. g. , through a built in speaker, or by sending commands to one or more external speakers, and send notifications to entities or users within/outside of the smart home network 100. In some implementations, the smart alarm system 122 also includes one or more input devices or sensors e. g. , keypad, biometric scanner, NFC transceiver, microphone for verifying the identity of a user, and one or more output devices e.