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Thus, in the absence of any user press on the button 1002, the bypass unit 1012 provides the input AC voltage to the camera module 1004 and bypasses i. e. , mutes the remote chime 1006; conversely, at the time of a user press on the button 1002, the bypass unit 1012 provides the input AC voltage to drive both the remote chime 1006 and the camera module 1004. In some implementations, the doorbell camera 106 may include a rechargeable battery. In the second doorbell mode, the camera module 1004 of the doorbell camera 106 is electrically decoupled from the transformer 1010, and relies on the rechargeable battery e. g.