1There is a handle and a lock with a key outside, and an open handle and an anti-lock knob inside. 2The door handle lock can be used for easy access door installation. 3Suitable for exterior doors requiring key and safety protection. Internal knob with universal handle. 4This lock does not need to distinguish the direction, suitable for the left and right handed door. 5Single tongue lock size can be adjusted between 60-70mm/2.36-2.76in, suitable for all standard door. 6Smart Key Update technology makes it easy to re-encrypt your lock in seconds. 7Easy to install, just need a few simple steps to install the lock in minutes. 8It is anti-kick, anti-collision, anti-mite, anti-drill and anti-saw. 9Security is designed to prevent universal types of intrusions to ensure family safety.
