ST-668D Electronic Touchscreen Keypad Deadbolt Lock for Front Door Locksets with High Security

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Color: Black
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ST-668D digital touchscreen keypad deadbolt lock and smart front door lock (black)

ST-668D Electronic Touchscreen Keypad Deadbolt Lock for Front Door Locksets with High Security


ST-668D Electronic Touchscreen Keypad Deadbolt Lock for Front Door Locksets with High Security

Color: Black

Features for ST-668D Electronic Keypad Front Door Deadbolt Lock

Signtek digital touchscreen keypad deadbolt lock with digital smart lock features touchscreen keypad, emergency mechanical key, anti-peep password, mute function, stay unlocked function and waterproof function.

Strong material

Signstek's digital smart door locks with electronic keypad deadbolt lock are made of commercial grade zinc alloy to greatly enhance your home security for your front door lock.

It not only has a good appearance, but also has a strong anti-corrosion ability, and can withstand all kinds of bad weather.

Keyless entry

Free your hands, you no longer need to use the key to open the door.

You can design 10 different codes (1 administrator and 9 users) and use one of them to unlock the door.

Simplest installation

Even if you are not a professional, you can complete the installation quickly and smoothly as long as you follow the steps according to the instructions.

ST-668D touchscreen keypad deadbolt lock

IP44 waterproof protection

Its shell is waterproof and dustproof, and it can be used normally even on rainy days. Therefore, it is also suitable for use as front door locksets.

Touch-sensitive screen

The smart touch screen with digital lock has a sensing ability that is accurate and fast.

The digital screen is also equipped with a blue backlight to help you accurately enter the correct code in the keypad deadbolt lock in dark conditions.

Mute function

You can set your code to mute input, so strangers won't steal your code by hearing the length of the digits on the keyboard as you enter it.

Forgot your code? There is also a keyhole

If you forget your code, you can use the emergency key to open the front door deadbolt. The low power indicator will notify you when the battery is low, and if the replacement fails, you can still open the door with the emergency key.








Package Dimensions

9.88 x 5.51 x 4.02 inches


3.15 Pounds

Batteries Included?


Click here to view the user manual: ST-668D Electronic Touchscreen Keypad Deadbolt Lock User Manual

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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

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