PLU331 Electronic Door Locks with Keypad Deadbolt, Black/Silver

10 In stock
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Features for PLU331 Keyless Entry Deadbolt Lock

Keyless Entry Deadbolt Lock

Signstek digital deadbolt door lock features 6 access codes for family use and available temporary code for guest single entry. It is the best electronic door lock come with 2 physical keys.

Safe and Secure Digital Keyless Entry Deadbolt Lock

Signstek electronic keypad deadbolt lock auto-locking function prevents any incomplete locking and Mute Function prevents code stealing.

And this keyless door lock passed ANSI/BHMA Grade 3 certification.

One Touch Locking with the Digital Keyless Door Lock

Push the button of the keypad deadbolt door lock to lock before the automatic locking and the smart deadbolt lock will alarm if there is any incomplete locking.

Easy Installation

Click the link to view the user manual:PLU331_Electronic_Deadbolt_Code_Lock_User_Manual.pdf

Install in minutes with just a screw driver, this digital keypad deadbolt lock fits most standard residential door preparations.


If the electronic keypad deadbolt door lock in low Battery Alarm it will remind you to change the batteries in time.

With green back-light increases visibility at night, this keypad deadbolt lock brings you a better experience.


Power supply 4 x AA Batteries(Not included)
Password 4 to 10 digits in length
Number of Users 6 sets of user code, 1 set of programming code
Material Zinc alloy die casting
Latch 2.34 or 2.76inch, 60 or 70mm
Door Thickness 1.37to 1.77inch, 35 to 45mm
Exterior Part Dimension (L x W x H) 4.13 x 2.64 x 0.91inch
Interior Part Dimension (L x W x H) 7.44 x 2.80 x 1.1inch


FAQ of PLU331 Keyless Entry Deadbolt Lock

Q: How to program the user code

    A: You may can find the manual here.

Q: Can you change the guest code as needed?

    A: Yes. You can change the guest code according to your needs.

Q: Is it possible to disable the "auto-lock" feature completely if you don't want it to do that?

    A: Yes, you can disable the auto-lock.

Q: Is the lock difficult to install? Anyone have trouble with it?

    A: Very easy installation. It adjusts for backset and door thickness.

Q: Will 120 degrees outdoor temperature affect the function of the lock?

    A: It supports the temperature from -22°F to 150°F. So This door lock still works at a temperature of 120 degrees.

Package Includes:

1 x Exterior Assembly
1 x Mounting Plate
1 x Interior Assembly
1 x Latch
1 x Strike
2 x Keys
5 x Wood Screws
3 x Machine Screws
2 x Mounting Plate Screws
1x Installation Instruction


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, and all our products use FBA or UPS shipping.

Note: We don't sell products in other country.

United States  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.

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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.

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