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Choose the Aqara U100 for fast fingerprint access, HomeKit/Home Key, and strong feature value. Skip it if you need built-in Wi-Fi, simple re-keying, or rock-solid long-term app reliability.
Pros: Lock/unlock speed, Fingerprint
Cons: Keyway quality, Wi-Fi
Choose the Aqara G4 if you want an affordable, battery-friendly HomeKit doorbell with local storage and fast alerts. Skip it if you need rock-solid motion capture, strong package visibility, high-resolution...
Pros: lag), Ongoing ownership costs
Cons: RTSP stream availability, Motion detection