The hotel Anti-theft chain is installed on the inside of the door to prevent the person opening the door from being attacked by the door. When the anti-theft chain is hung, the door can only be opened to a maximum of about 5 to 8 cm, which ensures that the owner opens the door When confirming the identity of the visitor, he will not be suddenly attacked by the other party. The RDA-16B soundproof anti-theft buckle of Lelang Hardware also has a rubber protection design, which makes the anti-theft buckle more fashionable and versatile, quieter, and better protects the door buckle. It is more durable, feels better, and has a beautiful appearance to prevent scratches on the facade.