The majority of doorbell chimes can support two doorbell buttons. The chime only needs three leads Front, Rear, and Trans in order to support two doorbells. If the leads have different labels or if there are additional leads, verify that the chime is compatible with the SkyBell Doorbell Camera. For more information, see What types of chimes are incompatible with the SkyBell Doorbell Camera?.

Power and wiring requirements

The power recommended for two SkyBell Doorbell Cameras wired to one chime is 16 VAC 20 VA. For additional information about the power requirements for SkyBell Doorbell Cameras, see Which transformers are compatible with the SkyBell Doorbell Camera?.

Digital chime wiring for two SkyBell Doorbell Cameras

The following image is the wiring chart for a digital chime, which requires a separate digital doorbell adapter (DDA) for each SkyBell Doorbell Camera.

Digital chime wiring diagram	Wiring key
	Solid line:  J5 to transformer J3 to Trans Dashed line:  J6 to SkyBell Doorbell Camera J4 to Front/Rear Small dashed line:  SkyBell Doorbell Camera to transformer

Mechanical chime wiring for two SkyBell Doorbell Cameras

Mechanical chime wiring diagram	Wiring key
	Solid line:  Transformer to Trans Dashed line:  SkyBell Doorbell Camera to Front/Rear Small dashed line:  SkyBell Doorbell Camera to transformer