About us：
BLUELK is committed to providing consumers with high-quality products and satisfactory service. The 30-day free return policy brings you a better shopping experience. If you have any questions, please contact our customer service and we will provide you with a satisfactory solution. customer satisfaction is our greatest motivation
 
Product parameters:
Special features: ‎Touch screen, fingerprint touch unlock/password touch unlock
Fingerprint collector: semiconductor fingerprint head
Product material: acrylic + aluminum alloy
Style: ‎Fingerprint door lock
Color‎: dark black
Item Weight: ‎1 lb.
Power supply: 6V (please choose 1.5V battery)
Batteries Required: Requires 4 x 2A batteries (not included)
Emergency power supply: USB Type-C interface
Low voltage alarm: 4.7V+-0.2V
User capacity: fingerprint/password/card (100 groups each)
Number of administrators: 3
Suitable for door thickness: 35-85CM
The package includes: smart lock front and rear panels + 1* buckle plate + 1 * buckle box + 1 * lock body + 1 * screws + 2 * keys + 2 * IC cards

 
Upgraded 6-in-1 unlocking method: including fingerprint recognition, Bluetooth-enabled mobile app control, personalized password, IC card, mechanical key
 
 Remote control: TUYA APP remotely manages password information and masters door lock dynamics,Stay connected and informed even when you're away from home
 
Intelligent linkage, door lock alarm: When the smart lock issues an abnormality, it will send an alarm in real time through the APP to protect home security day and night.
 
Quick and easy installation: This D smart lock tongue is suitable for left-hand and right-hand doors and is easy to adjust to suit different hand doors. Just use a screwdriver and follow the manual to install it in minutes.
 
Safe and durable: Passed BHMA certification after locking and unlocking more than 100,000 times. Send alerts triggered by unusual attempts to open smart deadbolt locks. The smart deadlock can be locked via the touch screen keypad "One Touch Lock". Super safe and practical for people who live alone.