Quote:
Originally Posted by Klen
Interesting, didn't know such thing already exist, however i see culprit - what if battery dies and you dont have a hardware key? Then you stay locked out.
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I know for houses you avoid the battery issue by connecting it to the doorbell wiring I think. For apartments I am not sure. But I always have 2-3 backups for keys since I am paranoid about being locked out.
