Smart Locks For Doors

Smart locks for doors are like a keyless home entry. Which, is becoming a popular trend in modern home security. Advances in technology make it possible for you to never worry about losing a door key. You can now transform your traditional door lock into a device that allows you to lock and unlock your door without a key. 

The automated entry offers peace of mind and ease of use as you can customize the level of security that suits you best. It provides your home with exceptional protection, making it harder for burglars to force entry while you’re away from home.

The smart lock is leveraged to homeowners who are looking for the convenience that comes with automatic door locks and the best protection for their homeplace.  

However, shopping for the right smart locks for front doors can be very challenging with the range of models out there. If you aren’t sure which one is right for you, this article will help you learn about the impressive functionalities of smart locks for many types of doors. And, list the disadvantages to help you make an informed choice and give you the best value for your money.

Smart Door Locks

Smart Locks for Doors – Things to Consider

Smart locks are a great addition to home automation systems, but some designs may not be suitable for other households.

Check compatibility with smart locks for the doors you intend to use

Make sure your door opens smoothly and in free motion when considering to install this home automation product. 

Smart locks ensure your latch can lock and unlock automatically. If your door requires you to push or pull to lock, then this keyless device may not work efficiently for you. 

Do you need to add or replace the existing lock?

Smart locks often serve as deadbolts. However, others can be attached to your existing deadbolt to do the manual locking and unlocking for you. 

This option is easy to install, but you need to make sure the smart lock you’re considering is compatible with the deadbolt you have before buying them.  

Consider a Smart Lock you are confident using

Usually, a smart lock features a traditional keyhole. This is an added convenience for homeowners who aren’t comfortable relying 100% on a smart door lock. 

Some are designed completely keyless using a touchpad, fingerprint, and PIN.  So, you have to consider if these features suit your preference.

ISURPASS iLock15 Smart Lock for front Doors

SURPASS iLock15 smart lock for doors with Keypad from Z-wave product.

The iLock15 Z-wave Door Lock from ISURPASS is a secured door lock with Keypad for CEPT (Europe). This provides convenience while ensuring the security of your home.

Certified Z-wave Device

The keyless lock features passwords, a key and remote that you can use to lock and unlock your door. It’s a Z-Wave product that is compatible with all Z-Wave networks.

The product features four different ways to open the door. You can either use a PIN code, an APP, IC card which is optional, or the mechanical key if you find it comfortable and prefer to use it. 

Fire Protection

Some impressive functionalities include the alarm function that sets off when the battery power is too low and an automated lock that locks the door when you enter a wrong password for about 5 times. 

It also features fire protection and a 9V external battery charger you can utilize for a power back-up option when sudden outages happen and expect to last for some time. 

This Wireless Z-Wave protocol works with Tecus APP available with IOS & Android that features exceptional functionalities. 

Real-time Monitoring Status

It allows you to remotely lock or unlock the door and provide real status monitoring. It also features unlock notification and an APP user management where you can use the add, edit, or delete functions.

This smart lock supports a one-time temporary password and can provide a detailed history check aside from device linkage control and elegant battery power display. 

Fingerprints Smudge Protection

Get cozy with its durable and responsive touchscreen that protects against fingerprints and smudges. 

This high-quality product has a standard size, is easy to install, and does not require complicated wirings to attach to your door.


  • Certified Z-wave device
  • Support one association grouping
  • Add a maximum number of devices to the group
  • 5 lifeline association group command
  • Provides door lock operation reports
  • Battery report
  • Real-time monitoring
  • Door lock keypad


  • None

Nuki Combo 2.0 – Smart locks for retrofitting doors

Nuki Combo 2.0 compact smart lock for doors perfect for simple home automation.

Noki 2.0 smart lock introduces revolutionary innovations. It is a perfect device if you are looking for a simple automation system suitable for your door lock. 

Exceptional Protection

This model does not require you to replace your lock. It is handy enough to provide you comfort and a worry-free smart door lock.

The automated door lock requires a PIN code to open with an unlocking mechanism activated with the Amazon Alexa app. This is an added protection to prohibit intruders from finding entry while you’re away from home. 

Standard Key Backup

It also features a traditional method of access open. So, if you’re a user who does not rely 100% on smart locks, the typical standard key is an added convenience. 

This feature is especially helpful when sudden outages happen and you find the 2xAA batteries run dry and stop responding, the door easily opens access by turning the handle manually. 

The lock built out of Euro Style/Profile Double Cylinders is compatible with knob and oval cylinders. 

Access Permissions Through Smartphone

One of the best features of the Nuki smart lock is the ability to operate it from inside your home. All you need is to tap the button and it turns your key to lock or unlock your door automatically.

It includes excellent functions where you can check any doubtful activity over your door. It also allows you to manage access permissions for friends and loved ones at any time on your smartphone.

Stable Network Connection

This smart lock uses Bluetooth 5.0 that allows improved connection and stability for a better and broader range. It works well with Apple HomeKit where you can effortlessly integrate and manage your electronic door lock into your smart home system.

In addition to that, it comes with an innovative door sensor that detects activity when the door opens or closes physically. It is integrated with an APP that is smart enough to warn you when you try to lock the door while it’s still open.

Nuki smart lock is easy to mount inside your home with your existing door lock and ready to be used within 3 minutes after the installation.


  • Uses Bluetooth 5.0 with improved connection and stability
  • Has a durable and elegant locking mechanism
  • Has a warning mechanism to prevent door lock while it’s still open
  • It allows you to manage access permissions for loved ones
  • An impressive functional security system
  • Compatible with knob and oval cylinders
  • Works well with Apple HomeKit
  • Easy to install 


  • Fairly expensive compared to other alternatives

Obsidian Smart Door Lock

Obsidian Smart Door Lock

Obsidian is a smart door lock from Kwikset with minimalist yet innovative design. It has an illuminating keypad that lights up when you enter the code, and it quickly locks when you touch the padlock icon upon entering the house.

Wireless Encryption

The sleek lock comes with Z-Wave that offers superior wireless encryption. If you have a Z-Wave smart home hub, you will be able to monitor your home with Alexa or Google Assistant. With this great functionality, you’ll be able to check who is entering and leaving your home at all times.

The anti-stick coating is another exceptional feature that will give you peace of mind. Its primary purpose is to repel fingerprints on the smart lock touch screen.

SecureScreen Function

If you find it isn’t enough, you can take advantage of the SecureScreen feature. It prompts you to provide random digits before entering the code. This way, it will be hard for anyone to determine the security code by just scraping the marks of your fingerprint on the screen. 

Like a typical smart lock, obsidian offers PINS that have four to eight digits long with a highly responsive touch screen. You can also program the stylish device up to 30 security codes with no expiration at a given time. 

The lock requires four AA batteries to operate efficiently. You don’t even have to worry when batteries are exhausted because the lock features a 9-volt back-up battery at the base of the front panel. It works efficiently, and you can use it temporarily while getting a replacement. 

Innovative and Elegant Designs

The Obsidian smart lock features a shiny black and a square slab design. It pairs with classy levers in satin nickel finish. It is another impressive feature you will surely love. The lock offers exceptional convenience and elegance that fits with today’s contemporary doors.

The smart lock is easy to install, along with its colour-coded screws that have different thicknesses. It also comes with printed instructions for you to follow.

Overall, this device is a BHMA Grade 2 Certified and has a system that meets the deadbolt operational and security standards.


  • Easy to enter code with an illuminating keypad.
  • Z-wave monitoring system.
  • Anti-stick coating that repels marks of fingerprints.
  • SecureScreen provides an additional mode of security. 
  • Programmable smart lock up to 30 codes with no expiration.
  • 9-volt battery backup when primary AA batteries run out.
  • Stylish-square lock features with classy levers.
  • Elegantly fits in most contemporary doors.
  • BHMA Grade 2 Certified.
  • Easy to install with colour-coded screws.


  • Requires Z-Wave smart hub to operate with Alexa or Google Assistant.

Lockwood Keyless Wireless Digital Deadbolt

Lockwood Keyless Wireless Digital Deadbolt

The Lockwood Keyless Wireless Digital Deadbolt is a flexible and tamper-proof door lock. It features an audible alarm when someone tries to force open the door. 

The smart lock integrates with ZigBee HA1.2 wireless network module. When connected, it allows you to control the status of your home through your smartphone. 

Email and Text Alert

You can receive alerts through text or email when kids who get home from school access the door. Also, you have the option to lock and unlock the door for friends and families even when you’re away from home. 

The illuminating touchscreen can repel traces of codes you use to unlock the door. The master pin code can manage up to 250 user codes under the wireless network module and about 25 user codes outside the network. 

Sleek and Flexible

This flexible and sleek lock can easily fit in the place of your existing deadbolt. It can likewise function even with doors not perfectly aligned. Moreover, the lock suits almost all standard doors — be it indoors or outdoors.

Locking and unlocking your doors is made easy with a PIN code that works efficiently with a simple tap of the button.

Programmable Functionality

The programmable functions are another great functionality you can enjoy. It provides comfort to unlock doors, turn the TV and lights on, adjusts the thermostat, closes curtains, and many others through an app.

Disabling the keypad is an added exceptional security that allows you to sleep soundly with ease of mind. It ensures no one will try to enter even random codes on the smart lock to force entry into your home while you are fast asleep. 

Low Battery Warning

The battery-life indicator starts to flash when the power is below 30%. This allows you to get a replacement before the battery runs dry.

Also, you don’t have to worry about being locked inside when you forgot to replace the exhausted battery. It has a 9-volt battery backup you can temporarily use when situations like this happen. 


  • Flexible and tamper-proof.
  • Fits to doors not perfectly aligned. 
  • Audible alarms when someone tries to force entry.
  • Integrates with ZigBee HA1.2 wireless network module.
  • Allows you to monitor the status of your home through a smartphone.
  • Sends text and email alerts when someone accesses the door.  
  • Lock and unlock features anywhere around the world.
  • Has an illuminating touch screen allows you to see and enter code conveniently. 
  • Touchscreen repels fingerprint marks.
  • Locking and unlocking system made easy with the PIN.
  • Programmable functions that provide the comfort of turning the television and interior lights on, set the thermostat, close curtains with push buttons.
  • Disabling keypad functionality allows you to sleep with ease of mind.
  • Battery-life indicator that alerts you when powers are below 30%.


  • The Zigbee hub needs to be purchased separately.

U-BOLT PRO: The Ultimate 6-in-1 Deadbolt Smart Locks for Doors

U-BOLT PRO: The Ultimate 6-in-1 Smart Deadbolt

The Ultraloq U-Bolt Pro from U-tec is one promising smart lock that features unique functionalities, comfort, security, and flexibility than other alternatives. This compact device offers 6 different ways to lock and unlock your home with or without your smartphone.

No More Misplaced Keys

Using your smartphone to unlock the door makes it handy. You don’t have to pull things from your bags or waste time looking for misplaced keys.

Unlocking your door by shaking your smartphone in a certain way or tapping your fingerprint on the digital button is another alternative. 

Shareable Temporary Access

You can also share temporary access to friends and families while away from home. Sharing e-keys aren’t that hard to manage. You can add or delete users anytime or grant access for specific dates and times to anyone remotely, with no monthly charges through your smartphone.   

The U-Bolt-Pro automatically unlocks the door for you when you arrive home, even with the smartphone in your pocket. All you have to do is shake it, and it opens the door lock without the need to open the U-tec app nor wake up the smartphone’s screen.

Connects to Various Apps and Devices

Using an app by integrating with Alexa or Google Assistant to lock and unlock your door is another option you can enjoy. It also works with the IFTTT functions where it allows you to connect all of your different apps and devices to work together.

The use of mechanical keys serves as a backup in case the lock loses power or fails to function for some reason. The numeric pad, on the other hand, allows you to preprogram a specific code to open the lock. 

Adding random digits to your correct password is another impressive feature that helps secure your lock. It will protect your passcode from the prying eyes of anyone. It gives you peace of mind knowing your home is safe even when you’re away from home. 

Dual Layers of Protection

U-Bolt Pro features dual data encryption. It has 2 layers of protection using secure 128-bit AES and a dynamic key that will help keep your data safe.

This impressive device operates efficiently with four AA batteries. These batteries can last up to a year or more through regular use. 

It also features a micro-USB you can use for emergency power. You can connect the USB to an external battery to unlock the door when the batteries run dry.  

U-Bolt Pro takes only a few minutes to install. This durable, smart lock is designed to fit any US standard door. It requires no wiring and drilling and takes only 4 screws upon installation. 


  • Offers 6 different ways to lock and unlock your door.
  • Share temporary access while away from home.
  • Add or delete shared access.
  • Grant access to specific date and time.
  • Automatic lock and unlock.
  • Integrates with Alexa or Google Assistant.
  • Connect to different devices with IFTTT.
  • Use of mechanical key as backup in case of power loss.
  • Programmable numeric code.
  • Dual layers of protection.
  • Longer battery life.
  • Micro-USB for emergency power.
  • Requires no wiring and drilling upon installation.


  • First-time users often find it hard to figure out how the device works efficiently, but once you do, you’ll find it impressive.


Using smart locks for doors is an excellent alternative to the traditional mechanical door lock with many outstanding features such as high security, ease of use, and high durability.

Additionally, it offers convenience, multiple lock and unlock mechanisms, high safety and security, and ease of use among other things.

However, be careful when shopping for deals online as there are many fake smart locks which most probably no warranty. Although features and styles are almost the same, the counterfeit is obviously a lot cheaper and riskier than using a genuine product. For more information, get in touch with the Install Express team.