kanglv automatic fingerprint lock password lock household anti-theft door smart door lock face recognition palm vein electronic lock

k10 basic style [electronic doorbell-automatic reverse lock]] k10 cat eye model [remote unlocking-digital door viewer]] k10 real 3d face model [peephole viewer-remote unlocking]] k10 real 3d face model [real-time monitoring-remote unlocking]] k10 palm vein-ai face-remote unlocking-3.5 screen k10 palm vein-ai face-real-time monitoring-4.5-inch screen h10 real 3d face recognition-remote unlocking-large screen cat's eye

guide installation free door-to-door installation (master's package is removed and replaced)