A mechanical chime has only wires, also compatible with Google Nest Hello. A wireless chime with batteries and NO wires is ...

With the exception of the Nest video doorbell, this prevents the chime from working, so if you want a ‘ding-dong’ sound you’ll still have to buy one of the new wireless chimes mentioned earlier.

The Ring Video Doorbell 2 is also the more versatile out of these two video doorbell devices, offering either wired or wireless (battery-powered) installation; with the Nest Hello, you have to ...