Xiaomi launches Smart Door Lock M40 Pro with AI palm vein, facial, and fingerprint unlock, dual-camera viewer, HyperOS support, and 12 unlocking methods.

Forget keys! The top smart locks we've tested are secure, easy to install, and provide several convenient ways to control who can access your home and when. I'm PCMag's managing editor for consumer ...

The lock offers double the options for unlocking that most smart locks offer from palm vein scanning, pin codes, and more.