Thinking about replacing your traditional door knob with a digital keyless door lock? You may have a few questions before making the switch.
Will it fit your door? Does it work for both left- and right-handed doors? Is the keypad always lit? And how easy is it to install?
Here are some of the most common questions to consider before choosing a keyless door knob.
1. Is a Keyless Door Knob Reversible for Left- and Right-Handed Doors?
Yes.
A digital keyless door knob with a free-rotating knob can work with both left- and right-handed doors.
This universal design makes it easier to replace an existing door knob without having to worry about whether your door is left- or right-handed.
Simply adjust the lock according to your door configuration during installation.
2. Will a Digital Door Knob Fit My Standard Door?
One of the biggest concerns when upgrading a door lock is compatibility.
The good news is that a universal-fit keyless door knob is designed to work with most standard residential doors.
For example, this type of adjustable latch supports:
- 2-3/8 inch (60 mm) backset
- 2-3/4 inch (70 mm) backset
- 54 mm door hole diameter
The adjustable latch makes it easier to fit different standard door configurations.
Before installation, it's still a good idea to measure your existing door to make sure the dimensions match.
Quick measurement checklist
Check these three measurements before purchasing:
Door hole diameter: 54 mm
Backset: 2-3/8" or 2-3/4"
Door thickness: Check the manufacturer's specifications
Taking a few measurements first can save you time and make installation much smoother.

3. Is the Keypad Backlight Always On?
No.
The keypad backlight turns off when the lock isn't being used.
When you need to unlock the door, the keypad can light up, making it easier to enter your code in darker conditions.
It's a simple feature that makes everyday keyless entry more convenient without keeping the keypad illuminated all the time.
4. Will It Work With a Screen or Storm Door?
If your home has a screen door or storm door in front of your main entry door, you may wonder whether a digital door knob will still work.
In most cases, a keyless door knob can be installed on a standard entry door behind a screen or storm door, provided there is enough clearance.
Because electronic door knobs can be slightly thicker than traditional knobs, check the space between the two doors before installation.
5. Where Can I Find the User Manual?
Even with an easy-to-install digital door lock, having the user manual nearby can be helpful when you're setting up the keypad or learning how to use its features.
You can view or download the keyless door knob manual here:
Keyless Door Knob User Manual
We recommend saving a digital copy on your phone so you can access it whenever you need it.
Why Choose a Keyless Door Knob?
A digital door lock can make everyday home access much more convenient.
Instead of carrying a traditional key everywhere, you can simply enter your code to unlock the door.
It's especially useful when you're:
- Coming home with groceries
- Carrying packages
- Sharing access with family members
- Tired of searching for your keys
- Looking for a convenient upgrade to a traditional door knob
Final Thoughts
The SIGNSTEK Digital Keyless Door Knob is a simple way to upgrade your everyday home entry.
With a universal fit, adjustable latch, free-rotating knob for left- and right-handed doors, and easy-to-use keypad, it offers a convenient alternative to traditional door knobs.
Before installation, make sure your door meets the required dimensions: 54 mm door hole diameter and a 2-3/8" (60 mm) or 2-3/4" (70 mm) backset.
A little preparation can make installation easier and help you enjoy the convenience of keyless entry from day one.
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