Description:The smart lock can read fingerprints in 360 degrees to unlock within 0.25s. And supports 2 ways to unlock,fingerprint and mechanical keys.Applicable for both left and right-handed doors

Description:
One-touch Unlock:The smart lock can read fingerprints in 360 degrees to unlock within 0.25s. And supports 2 ways to unlock,fingerprint and mechanical keys
High Security and Privacy Protection:Anti-theft semiconductor fingerprint identification,AI intelligent learning chip,high speed and accurate fingerprint identification
High Quality Material:Streamlined ergonomics design,Integrated zinc alloy handle,304 stainless steel lock body real material,rustproof,solid and durable
Easy Installation:Easy to replace existing knobs with NO wiring.For door thicknesses from 1-3/8'' to 2-1/8''(35mm -55mm). Applicable for both left and right-handed doors
Emergency Backup:The hidden mechanical keyhole is safe and convenient to backup.When batteries power off, the door can be opened with a mechanical key,or fingerprint unlock after connecting USB for temporarily emergent charge

Specification:
Material: Zinc Alloy
Color: Black
Unlock Mode: fingerprint + mechanical key
Applicable Door Thickness: 35-55 mm
Fingerprint Acquisition Time: 0.25s
Emergency Power Supply: USB
Battery: 4*AAA Batteries

Package List:
1*Smart Lock
2*Keys
4*AAA Battery
1*Bag of screw
1*User Manual