US Patent 9247219 Doorbell communication systems and methods

Doorbell systems can be configured to detect temperature of an outdoor environment. Accordingly, some embodiments of the doorbell system can include a doorbell, a button coupled to the doorbell, and a temperature sensor coupled to the doorbell. Doorbell systems can also be configured to regulate temperature within a doorbell. As such, some embodiments of the doorbell system can include the doorbell, a button coupled to the doorbell, and a heating element located inside the doorbell.