Signstek ST-668 Electronic Door Lock with Touchscreen Keypad

$85.99 $86.99
Color: black

                            About ST 668

Anti-peep password keyless door lock

Users do not worry about being watched nearby when you open the electronic door lock and input the password. You can create any random digits in front of or behind the correct password (random digits +correct digits+ random digits)

Hidden keyhole of security door locks for emergency

Remove the handle of keypad door lock with a wrench. Insert the mechanical key. Turn the key clockwise and the electronic door lock opens. No need to call firemen to open the keypad door lock.

Touchscreen Keypad with blue backlight

Using the touchscreen keypad can avoid the problems caused by unstuck physical buttons because of good performance. The blue backlight of front door locks more convenient when you enter passwords even in darkness.

Interchangeable door handle and Fashion appearance

Comes with the changeable door handle that the digital door lock can be used on left and right. Moreover best electronic door lock is used in all kinds of the doors with upscale appearance.

 Easy installation

Comes a hexagon screwdriver, just follow the user guide to finish the assembling of the keypad door lock even you are not a professional.



✔The Easiest Installation - As long as the aperture of SIGNSTEK™ ST-668 is same as your current lock, installation is just a piece of cake. It comes a hexagon screw driver, follow the instructions and you will finish the assembling in 10 minutes even you are not a Lock Smith.

✔Customer Service - Free Shipping! We offer replacement, return or refund if you are not satisfied with our products.

✔Protects Like a Living Security in front of Your House - SIGNSTEK™ touchscreen keypad locker features a touchscreen keypad, emergency mechanical key, anti-peep password, interchangeable door handle, mute function, stay unlocked function and waterproof function.

✔Code Management - Administrator can modify & delete users. Perfect for landlord to manage tenants. Suitable for home, office, school, bank and so on.


  • 5-7 days domestic.

We will process the order within 24-48 hours of receiving the order.

We will also timely communication with customers by email within 24 hours if any special circumstance happens.

We offer free shipping for the contiguous 48 U.S. states. Transit time is 5-7 business days (because of the novel coronavirus, delivery time will be extended accordingly).

If you want expedited shipping, please contact us at

Note: Please confirm the product is in good condition before receiving.

Customer Reviews

Based on 15 reviews Write a review

Recently viewed