


Parameters:
Brand: NAIERDI
Color: Black/Silver
Main material: Aluminum alloy
Working power supply: lithium battery
Applicable door thickness: 35-45MM
Fingerprint capacity: 50 pieces
Working voltage: 6V
Emergency power supply: TYPE-C
Applicable door categories: wooden doors/steel doors
Package includes: 1 Set Smart Fingerprint Door Lock with necessary accessories

How to choose a lock cylinder?
▶If the lock core height is less than 30 mm, choose the Small 70 size.
▶If the lock core height is 30 mm or above, choose the Large 70 size.

4-IN-1 keyless entry door lock
▶Smart deadbolt lock equiped with multiple unlock ways, Including fingerprint, password,Tuya App bluetooth unlock, and so on, no more worry about forget taking keys and the problem of losing keys.


Durable and long-lasting
▶Up to 180 days of long battery life.
▶When the battery level falls below 20%, the red and blue indicator lights flash alternately to remind you to charge it.

Fast Installation
▶No need to drill the door or replace the lock body.
▶You only need to remove the original lock cylinder and replace it with the smart lock cylinder. There’s no need to change the structure of the door—just a simple swap, and your door instantly becomes a smart lock.







4 GREAT REASONS TO BUY FROM US:
- Over 37,000 happy customers worldwide
- Real people on our support team ready to help
- The finest materials and stunning design — all our products are developed with an obsessive dedication to quality, durability, and functionality
- We use the most secure online ordering systems on the market, and are constantly improving our software to make sure we offer the highest possible security
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- Money back guarantee: Something not quite right? If you’re not totally satisfied with your purchase, you can return it within 15 days for a full refund
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