Just received my Battery Doorbell Pro and although the faceplate I bought for my 4 fits, I noticed it has considerably smaller vents on the side. Would this impact the microphones in any way? Cheers
Hi @Retrovertigo. The Ring Battery Doorbell Plus is fully compatible with all Video Doorbell 3, 3 Plus, and 4 accessories. There shouldn’t be any issue with using a faceplate from the Doorbell 4 here. 
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It’s actually the new Battery Doorbell Pro with the 3D radar stuff. I tried the faceplate I have and it does indeed fit, but the side vents are about twice the length on the original faceplate that comes with this new Pro model. There must be a reason for that? Thanks
Hi @Retrovertigo. I am happy to chime in. It does not affect the speaker or any other feature. It is just a cosmetic difference.