●Suitable for Many Doors: push /pull, frame, frameless glass door, double glass door, single glass door, sliding door ,etc. (with 8~12mm thickness).
 
●Digital Touch Keypad Panel with Backlight: makes it convenient to use at night.
 
●Easy to Install and Program: equipped with the necessary accessories and English interface, free drilling installation.
 
●Doorbell Function: press "#" button, the lock will alarm as doorbell.
 
●Emergency Power Supply: with micro USB interface to supply power if the batteries run out.
 
 
Specifications:

Material of Lock Body: Zinc alloy
Color: Black
LCD Screen : 0.96 inch
Power Supply: 4 * AA batteries (NOT included)
Working Voltage: 4.5V~6.5V
Working Temperature: -25~60°C
Working Environment Humidity: 20%~93%
Fingerprint Capacity: 200pcs
Password Capacity: 30 groups, each group support 6~12 sets password
Card Capacity: 500 groups of IC card
Unlock Mode: Fingerprint, password, card, Tuya APP
Language: English 
Suitable Doors: 8~12mm thickness door