Function : fingerprint unlock,password unlock,card unlock,key unlock. Color : Black and Red-brown.
Reddish brown with wooden doors look better.
smart door lock
fingerprint ,Password , Card , keys，app unlock.
Accept door thickness
4pcs AA Alkaline batteries
1 Horn hole. 2 USB emergency power interface. 3 Mechanical key entrance.
It increases the safety of the door lock. When you need a privacy space, you can turn on the anti-lock switch so that people outside the door cannot enter the room.
The company has multiple R&D and design personnel. Products have patents in China.You can check it in alibaba shop ,Company prlfile > Company capability > R&D capacity. This patent has been verified .The patent is a symbol of a company's strength, and the patent is also the protection of the products through customs.
1. Is the lock easy to install? Yes, you can install it yourself in 10 minutes. 2. What about your warranty service? We have 1 year warranty. During this time, if you have any quality problems, we will take on the shipping cost and replacement. 3. What should I do if I do not know how to use the device? We provide very detailed instruction, you can read it and contact with customer service, and they will help you willingly. 4. What do I do, if the battery is low or dead? The batteries of the lock are four AA batteries. You can buy it and replace dead batteries. 5. What is the applicable door thickness? The lock is adjustable, it can adapt to 35 mm to 70 mm door thickness. 6. What are the methods of unlocking the lock? Fingerprint,Password, IC card, keys,tuya or ttlock app. 7. How long is your delivery time? Generally it is 7-15 days if the goods are in stock. or it is 15-30 days if the goods are not in stock, it is according to quantity. 8. Do you provide samples ?