I have Z-Wave locks and have no problem having them as part of my smart home. The 4x Lithium AA batteries in them last over a year, they don't talk to a "cloud

I have Z-Wave locks and have no problem having them as part of my smart home. The 4x Lithium AA batteries in them last over a year, they don't talk to a "cloud service", but instead a physical server that I have total control over, and you can still use an old-fashioned key to unlock them.