Detailed Product Description

.High quality, low price, saft&cheap.

.Very easy to operate, suitable for villa, apartment, schools, and offices.

.Especially suitable for installation by nonprofessionals.

.In installation, just use the existing knob lock hole, no need to open another holes.

.The keypad is waterproof. The numeric keys are backlit.

.There are ten passwords, including 1 master password, and 9 sub passwords, which are easy to manage.

.Change master password and User passwords freely.

.The master password can be used to add or delete any User password, without any affection on the normal application of the lock by the other users.

.One-key opening function(Passage mode): press door handle directly to open the lock, without the passwords.

.Encryption function, for confusing any spies watching as the User code being entered.

.Unlock record positioning tracing function.

.Mechanical key for emergency use. 

.Inside protection function locks passwords.       

.Low battery alarming function.

.Outer-emergent power supply opening function

.Resetting functions, when forget the password, or something unusual, after resetting, it can be normal.

.American standard tubular latch.

.Free rotating handle is adopted to avoid unlock by violence.

.The door thickness request , 38-48MM.