Smart Door Locks （we specialize in this field for 17 years）
Changtong smart door lock brings you the convenience of keyless door opening. Choose the latest digital door lock technology (face recognition, fingerprint, remote unlock, smart card or keyboard) to open the door for you. An instant door opening solution for everyone, adding security and simplicity to the way you open your door.
* No need for spare keys
* No more cutting keys for visitors
* No need to remember to bring along your keys when you go out
* No need to nitpick various door types and materials, easy to install
* No need to waste too much time picking the lock Automatic unlocking
* No need to frequently replace the battery，beneficial for environmental protection
While making it convenient for users to open the door, these digital door locks can also be paired with alarms to provide additional security and prevent theft, damage, and fire. Our intelligent door locks combine cutting-edge technology with practical reliability, making them the future of door locks. Walking at the forefront of the world
Please throw away your key
From face recognition, fingerprints, smart cards to keypads, smart door locks offer a variety of options to meet the needs and preferences of different users
