Finger Print Door Knob Lock Keyless Entry for Bedroom, Thumb Print Door Lock,...
Users: Up to 20 fingerprint users. 【Fingerprint Identification】 0.2 seconds to unlock. Door Thickness: 1-3/8" (35 mm) to 2-3/16" (55 mm), adjustable latch 2-3/8" (60 mm) or 2-3/4" (70 mm).