TCL D1 Pro Palm Vein Smart Lock Review: Futuristic But Limited
I didn't expect to like palm vein unlocking as much as I do.
Did you know that palm veins were unique enough to use as a security measure on a smart lock? I didn’t, but TCL did, and I’m happy they figured it out. The TCL D1 Pro smart lock’s headlining feature is using your palm to unlock it, which is fascinating—and I liked it a lot more than I expected to.
