Adding extra chime to mains wired doorbell

[Groove Rida]

Hi
I have a mains wired doorbell with the chime in the hallway. Parents are elderly and dont hear the bell all the time. I want to run two wires from the hallway chime into living room and add another chime there. Does the new chime need to have built in transformer does it not require it?
Current set up is a transformer by the fusebox and the chime has one wire to it and another to the push button. One wire from the push button the transformer to complete circuit.

 

[MJPD29]

Wireless bells what do they run off the house wifi? And are they affected by bad weather?

Bluetooth ones are cheap and cheerful. Usually quite good too

 

[Taylortwocities]

Wireless bells what do they run off the house wifi? And are they affected by bad weather?

No
And
No

 

[Groove Rida]

Any recommendations?
Range topper
Middle of the road
Budget

 

[Taylortwocities]

Any recommendations?
Range topper
Middle of the road
Budget

I can only recommend one I have experience with and use.
The Lloytron doorbells use their MIPS system, so you can buy the basic push button + sounder and then add more sounders and bell pushes.

Mine works well. Has a good range. Note that wireless operation can be affected by some building structures, but they work well in standard type houses.

Lloytron B7505BK 32-Melody Mains Plug-In Wireless Door Chime with MiPs - Black Lloytron B7505BK 32-Melody Mains Plug-In Wireless Door Chime with MiPs - Black : Amazon.co.uk: DIY & Tools - https://amzn.eu/d/fjfPM6c

 

[Groove Rida]

Which ring doorbell is hardwired? Is it the pro 2? Does that come with transformer and chime? Are these any good or do you have to pay any annual fees?