Install Ring Doorbell Existing Wiring Question

Hey there I am trying to determine if my existing doorbell chime has the transformer in it and also if it’s compatible. I have attached some photos. It’s a Friedland Doorbell system as it says that on the inside cover.

Can anyone offer me advice how do I check if the system meets the criteria to install ring doorbell as per - Hardwired transformer (8 to 24 VAC, 50/60Hz, 8VA to 40VA)

Hi @RingJasto11. It’s difficult to see the specific model of this internal chime kit. You can reference this Help Center article here to see if your specific kit is compatible. Typically, most mechanical chime kits are compatible, with a few exceptions.