Lockin Palm Vein Smart Door Lock

Unlock your door with just your palm! This smart lock offers 5 ways to open, including palm vein scanning, PIN code, mechanical key, remote control, and voice commands. It features 0.17s unlock time and 99.9% accuracy. Palm vein unlocking works for all ages and hands, even when fingerprints don't. Check compatibility before purchasing for door hole diameter, door thickness, and backset dimensions.