Aqara Smart Lock U400 vs Eufy Video Smart Lock E330

The Aqara Smart Lock U400 wins this comparison on weather resistance, connectivity, platform integrations, and its number of built-in unlock methods, including NFC, Bluetooth, and ultra-wideband hands-free unlocking. The Eufy Video Smart Lock E330 costs less, rates higher with owners, and is the only one of the two with a built-in camera and doorbell.

The Aqara Smart Lock U400's signature feature is ultra-wideband (UWB) unlocking, which opens the door automatically as you approach with a compatible iPhone or Apple Watch. The Eufy Video Smart Lock E330's signature feature is its built-in 2K camera and video doorbell, recording locally with no monthly subscription. Neither lock has the other's headline feature.

The Aqara Smart Lock U400 does, supporting Apple HomeKit and Home Assistant directly via Matter over Thread (Google Home and Alexa need an Aqara Hub). The Eufy Video Smart Lock E330 works directly with Google Home, Alexa, and Home Assistant, but not Apple HomeKit or Matter.

No. It has no camera, night vision, or doorbell function. The Eufy Video Smart Lock E330 is the one that adds a built-in 2K camera, night vision, motion detection, and a video doorbell.

Apple Home users who want the fastest, most hands-free unlock experience available and the broadest native platform support, and who don't need a built-in camera.

Buyers who want a fingerprint deadbolt with a built-in 2K video doorbell camera and subscription-free local recording, at a lower price than the U400.