I would find one on Amazon and go search the community for it. Usually by reading one or two threads you’ll know of any difficulties encountered in addition to any bonus features that are discovered. I haven’t purchased any door sensors but have tried I have a few different thoughts on motion sensors that I shared here. The Fibaro motion sensors have probably been my favorite, but you need to use the community developed device handler found in this thread beta-fibaro-motion-sensor-new-device-handler-with-all-settings-and-auto-sync-feature to get the most from them.
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