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ST-100 Touchscreen Digital Door Lock, Matte Black/Silver Keyless Door Knob

Out of stock
Free shipping in the US and Canada.
Fast delivery. Orders shipped in 24 hours and delivered within 3 days.
Shipping policy.

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We are a factory direct selling brand with ample inventory. If you want to place a bulk order with more than 10 items, please contact us at to enjoy exclusive wholesale prices.

Features of ST-100 Keyless Digital Front Entry Door Knob

Keypad at the top, easy to operate

The keypad of ST-100 round entry door knob is on the top of the lock. Easy to operate, just lower your head to enter the code. With this keyless entry door knob with digital door lock, you don’t have to bend over to view the keypad every time you return home.

Touchscreen design

The ST-100 digital front entry door lock is equipped with the modern touchscreen design. You can simply tap the screen to input the password and delete/add password on the device.

Easy to install

After all preparations are ready, you can install the ST-100 door knob easily in 10 steps. Everyone can complete the installation in 20 minutes.

IP44 waterproof protection

The outside of the door lock is waterproof, so it can function normally when on rainy days. You can safely use it as your front door lock.

Passage mode

Just rotate the knob counterclockwise to turn on the passage mode. If you turn on the passage mode, you don’t need to enter any password an just turn the handle to open the door. When your friends visit your house, you can turn on the passage mode.

Free Shipping

SIGNSTEK™ offers free shipping for the contiguous 48 U.S. states. Transit time is 5-7 business days. 

All SIGNSTEK™ products are stored in warehouses in Amazon warehouse or UPS warehouse in United States/Canada, and all our products use FBA or UPS shipping.

United States/Canada  Out of US.

Guaranteed Arrival

3-5 bussiness days or less 


In orders with more than one item, the processing time will be based on the item with the longest processing time. All orders can be shipped out within 24 hours on weekdays. Please note that the processing time is not included in the shipping time.

During public holidays, transportation time or processing time may be affected (up to 72 hours delay) because manufacturers and couriers will restrict their operations during this period. Although this is unfortunately out of our control, we will try our best to improve on this issue.

Order Successful
After you have successfully placed your order you will receive email confirmation from us. If you have any requests for your order, kindly let us know as soon as possible before your item enters the processing stage.

Contact us
If you have any urgent questions about the shipping, just feel free to contact us on our Facebook home page or send an email to us.

Return & Refund


SIGNSTEK provides a 30 days return or refund guarantee. If you’re not satisfied with your purchase and want to request a return or refund, please contact our customer service for the return or refund process. 
To be eligible for a return, your item must be unused and in the same condition as you receive. It must also be in the original packaging.


a. Customers will only be charged once for shipping costs (this includes returns); No-restocking to be charged to the consumers for the return of the product.
b. In the event ships for free, the customer will be informed of the return shipment cost (estimates may be given based on our own costs in shipping to customers)

Refunds (if applicable)

Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.

Hello customer. Welcome to SIGNSTEK! We will keep in touch with all our customers.

Please differentiate your order to get straight fast service:

1. Product Consulting:

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2. Official Order:

Please send message to or use Facebook Messager. Remember to tell us your order number.

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ST-100 Touchscreen Digital Door Lock, Matte Black/Silver Keyless Door Knob
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