Biometric Lock Semiconductor Fingerprint Lock ( Item#: S3521 )

This smart door lock offers entry via biometric fingerprint identification, designed to fit any standard door and can be installed in a minute with only 2 screws. We've used our experience from our previous generations of keyless entry systems and kept everything from installation to daily use simple, convenient and user friendly. The most simple solution to home safety. 

Features:
Simple to install:
A painless installation process with no wiring and no drilling. No costly professional is needed for installation! Installs on your door in about 5 minutes with just a screwdriver. Fits most single-cylinder door lock both left and right handed doors
Simple Operation:
Add or delete users any time with the ability of adding up to ?100 users.
Add user: Use the pin to press the option button and verify any registed finger(first time no need), then add new user.
Delete user: Use the pin to press the option button hold on for 5s and verify any registed finger, then it will delete all users.
Simplified Safety:
Your fingerprint is completely unique to you, making for the utmost safety. it uses the semiconductor biometric fingerprint technology that avoid duplicate fingerprints happen. This digital door lock is built with weather proofed zinc alloy and designed to withstand the elements. 
One Touch Access:
Fingerprint scanner will wake automatically once you place your finger on it and is conveniently positioned to accompany your natural hand position. One seamless action allows you to wake the lock, read your fingerprint, and unlock your door. The whole unlock action takes only 1 second. It  can auto relock your door for you so your home is always safe.
Energy-saving:
Don't worry about the battery cost or  pollution damage. It uses built-in lithium battery. Charge it for 30min and it work for 1 year. (USB charge port is on the exterior lever)
Suit for Any Room: 
Replaces standard single-cylinder U.S. door locks, fits both left and right, inner and outer. 2 sets screws make it suitable for 35-55mm door thickness. Adjustable single latch between the size of 60mm and 70mm.

Specifications:
Material: Zinc Alloy
Fingerprint sensor: FPC Semi-conductor
Standby time: 500 days
Number of doors opened: 5000 or more
Fingerprint capacity:100pcs
Anti-static: 8kv-15kv
Fingerprint Identification Time:≤0.5s
Normal operating temperature: -20℃-65℃
Humidity:RH 0-90%

Package Information:
Package Size:'Approach.23*20*9cm/9.05*7.87*3.54in
Package Weight:Approach.1101g/38.83oz

Package List:
1* Fingerprint Door Lock
4*Fixing Screws (35-55mm door thickness)
2*Screw Pillar 
1*Pin
1*Single Latch (60-70mm)
1*User Manual