The TCL D2 Pro is a futuristic take on the smart lock that feels leap years ahead in technology as it ditches the fingerprint scanner we’ve seen in recent years, for palm vein recognition that scans ...

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The D2 Pro introduces a sci-fi-inspired feature—palm vein recognition—allowing users to unlock doors by simply holding their hand over a dedicated scanner. While the concept brings to mind ...

The TCL D2 Pro Palm Vein Smart Lock looks and operates like a device you’d see in a sci-fi movie. The touchless unlock feature is both captivating and rock-solid, but you might be disappointed that it ...