Keyless entry is gradually replacing traditional door locks.

A keyless entry system not only makes it more convenient, but enhances our home security.

It is a universal experience that when you get to the front door with your hands full, it is hopeless to find the key to unlock the traditional door lock. With the keyless entry, all you have to do is enter a set of codes to unlock the door.

Keyless door locks are more advanced and can better protect your property and security.

If you are looking for a keyless door lock, you can't miss Signstek's ST-668 Plus touchscreen door handle.

Features of Signstek’s ST-668 Plus Keypad Door lock

Convenience:

Are you suffering from carrying keys with you all day? Are you worried about your keys being stolen?

Signstek’s keypad door lock can help you make it much easier. Simply input the code to open the door.

Security:

Encryption function: ST-668 Plus Keyless door lock allows you to add random digits before and after the correct password (random digits + correct code + random digits). You can enter up to 40 digits.

There is no need to worry about thieves stealing your codes.

Mute function:

It allows you to set the lock in silent mode. Then nobody can steal your code by hearing the beeps when you enter the code.

Besides, if you have a baby, activate the mute function to prevent waking your baby unintentionally.

Easy installation:

It fits most standard residential door preparations.

Signstek’s ST-668 Plus Touchscreen Door Lock comes with all the screws for the installation. You can finish the installation in less than 20 minutes with just a screwdriver even if you are not a professional.

Emergency key:

If you forget all the user codes and master codes, there is an emergency keyhole for you. You can reset the lock after entering your home with the emergency key, then the default master code and user code will be active.

Password-free mode:

Want to hold a party in your home but don’t want to hand over the codes to others? Signstek’s ST-668 Plus Door lock is designed with password-free mode. With it on, your guests can press the door handle to open the door without any code.

True feedback from our customers:

Signstek’s ST-668 Plus Keypad Door Lock has come on the market for several years. It gets 4.1 out of 5 on Amazon and there are more than 1000 positive ratings from the U.S.

Fantastic Lock - Use video Instructions – by Jane Ha on October 25, 2019

Very well-made lock, and works great so far. Using the video instruction will definitely shorten your installation time. It took me about 15-20 min after watching the video demo. Easy to program, set master code, and guess code.

Overall, Great product! Easy to install and easy to program. Highly recommended

Great upgrade and easy to understand instructions – on February 29, 2020

The installation was very simple and easy to follow. (If you have ever swapped a door handle there isn’t much of a difference). Setting up the code and additional codes was very easy as well. My mother in laws is a bit older and like the idea of it always being locked and can’t accidentally unlock it.

Great lock with features – by James Ting

Although it is not a wifi / app connected device, but it is really easy to install and it comes with clear instructions,

I put this to inner door inside the garage, and it well serves the purpose.

The screen is easy to clean, however, you need to tap it on to activate the screen then you may enter the code.

For now, I am happy with the purchase