E340 doorbell

will E340 trigger this mechanical chime?

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I’m going to say no. It looks like that the doorbell transformer puts out 8 volts 1.0 va.
It probably wouldn’t even be able to charge the battery.

PN T8214
Video Doorbell Power Requirement Existing Doorbell Wiring (16-24V, 10VA)
What’s the specs say on the back of your doorbell?

Want if i buy a separate v30 transformer. will that work

Don’t know?
Not sure if your mechanical chime can handle the higher voltage..
It might be easier to replace the doorbell chime that has a power output that will work with the doorbell.

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