Name: eufy E31 Keyless Entry Smart Lock with Fingerprint Reader
Brand: eufy
SKU: 15235013057
Availability: InStock
Rating: 4.7 (17 reviews)

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eufy E31 Keyless Entry Smart Lock with Fingerprint Reader

Instructions

<summary><ul><li><strong>Instant Fingerprint</strong>: Delivers ultra-fast, keyless door unlocking in less than 0.3 seconds using fingerprint recognition, which dynamically improves with each subsequent use for consistent access.</li><li><strong>Versatile Unlocking</strong>: Provides diverse unlocking options, including control via the eufy App, a built-in keypad, a physical key, or convenient voice commands through Siri, Alexa, or Google Assistant.</li><li><strong>Broad Compatibility</strong>: Seamlessly integrates with major smart home ecosystems such as Apple Home, Google Home, Alexa, Matter, and SmartThings, allowing pairing with devices like Apple HomePod.</li><li><strong>Smart Control</strong>: Offers comprehensive smart home management features including simple setup, convenient guest access management, real-time notifications, detailed event logs, and remote unlocking capabilities.</li><li><strong>Extended Battery</strong>: Ensures prolonged operation with a long-lasting battery life that provides power for up to 14 months, based on an average usage of 10 unlocks per day.</li></ul></summary>

<h3>Experience Keyless Convenience with eufy Smart Lock E31</h3> <p>Unlock the future of home security with the eufy Smart Lock E31. This advanced lock offers ultra-fast, keyless door unlocking in less than 0.3 seconds using just your fingerprint. No more fumbling for keys when your hands are full. The lock's smart technology improves fingerprint recognition with each use, ensuring quick and easy access for your family.</p> <h3>Multiple Unlocking Options</h3> <p>With the eufy Smart Lock E31, you have multiple options for unlocking your door. Use the eufy App, the built-in keypad, the included physical key, or voice commands via Siri, Alexa, or Google Assistant. This gives you the flexibility to choose the most convenient method for you at any given time.</p> <h3>Seamless Smart Home Integration</h3> <p>The eufy Smart Lock E31 is designed to integrate seamlessly with your existing smart home devices. It's compatible with all major smart home ecosystems, including Apple Home, Google Home, Alexa, and SmartThings. Pair it with your Apple HomePod or other smart devices for easy, hands-free management of your Smart Lock and more. You can enjoy simple setup, guest access management, real-time notifications, event logs, and even remote unlocking.</p> <h3>24/7 Support</h3> <p>If you have any questions about the eufy Smart Lock E31, we are here to help. Our support team is available online 24/7. You can also reach us by phone at 1-800-988-7973, from Monday to Friday, 6:15 AM to 5:00 PM Pacific Time.</p> <h3>Enjoy complimentary Apple Service Trials with this purchase.</h3> <p>Redemption instructions will be emailed post purchase. Terms apply.</p>

Brand

<ul>  <li>Compatible with Alexa, Google Assistant, HomeKit, Matter, and SmartThings</li>  <li>Unlock with Fingerprint, eufy App, keypad, or physical key</li>  <li>Long-lasting battery life of up to 14 months (based on an average of 10 unlocks per day)</li> </ul>

Specifications

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<ul>
<li>Compatible with Alexa, Google Assistant, HomeKit, Matter, and SmartThings</li>
<li>Unlock with Fingerprint, eufy App, keypad, or physical key</li>
<li>Long-lasting battery life of up to 14 months (based on an average of 10 unlocks per day)</li>
</ul>

In short, this is a great product, exceptionally easy to install and functions well enough that we decided to purchase a second. 

After choosing to go with Eufy's camera products for our new home, we opted to add this smart lock to our back door given that it's the one we use the most. We were also intrigued/hopeful about the fingerprint reader - with a toddler, fumbling with keys trying to get in, especially if carrying groceries, is a tedious process, and we wanted this to make life easier.

Ultimately, it has done just that while providing peace of mind at all hours. The installation process is remarkably simple and the app walks you through it step by step. We found the provided strikeplate to not fit on our doorframe correctly so we left the existing plate, which caused no issues. 

I would absolutely recommend using the Eufy app rather than relying on Home alone (or any other Matter-connected system). The app provides far more options to customize to your needs/wants, including adding numerous entry codes and fingerprints, as well as guest-specific codes. Adding fingerprints is quite simple and closely resembles the process from older iPhone fingerprint scanning. However, keep in mind how you expect to actually scan your finger when (un)locking. The scanner works well and does learn better over time, but it is still a bit sensitive so if I try to put my thumb over it sideways or upside down, it often rejects the read because I scanned it upward originally. An easy workaround is simply adding additional prints for those respective fingers from different angles. 

However, it's more important for security purposes to use the app simultaneously with Home/Matter because the app is more reliable and consistent. I have never had the device disconnect from Home or not be reachable/usable, but I don't always get notifications when the door (un)locks from Home. The Eufy app is more reliable in this way, not only pushing alerts immediately but also notifying who is doing it when it happens from outside (by fingerprint) or how it failed. I believe some of their newer premium locks perform better with Matter in this way, but ultimately it's not a deterrent for me given that Home still consistently shows the status and allows me to (un)lock the door directly, and I use the app already for the other Eufy products.

In all, although not always flawless in execution, the lock works really well. The battery is long lasting still showing full bars of charge after two full months of use, and the fingerprint reader is a nice addition that works on first try the majority of the time but the personalized codes are a phenomenal backup with a key as a tertiary option. We purchased a second lock recently for our other door simply to add the peace of mind knowing when the doors are locked, as well as being able to autolock at night. I'd highly recommend, ESPECIALLY if you're already bought into the Eufy system.

Great lock with HomeKit functionality

[This review was collected as part of a promotion.] Great product the battery life has been good and we have never had an issue. Installation was simple too! Very happy with it overall and highly recommend it.

Great product

influenster.com

[This review was collected as part of a promotion.] ⭐⭐⭐⭐⭐

The Eufy Smart Lock E31 is an absolute game-changer! The fingerprint unlocking is lightning-fast (less than a second), and it keeps getting smarter with each use. I love having multiple ways to unlock the door—fingerprint, Eufy app, keypad, voice commands (Siri, Alexa, Google Assistant), or even a physical key as a backup.

One of the best things about this smart lock is its seamless compatibility with my existing smart home setup. It integrates effortlessly with Alexa, Google Assistant, and Siri, making it super easy to control access with voice commands. The real-time notifications and remote unlocking through the app are incredibly convenient, especially when I need to let someone in while I’m away.

Installation was a breeze—only about 15 minutes with no drilling required—and the battery life (up to 14 months) is impressive. Even if the battery runs low, I can use a portable charger to power it up temporarily. The BHMA-certified durability and weatherproof design mean it holds up against all conditions, keeping my home secure year-round.

If you’re looking for a smart lock that’s fast, secure, easy to install, and fully compatible with your smart home devices, the Eufy Smart Lock E31 is a perfect choice. Highly recommend!

Safe and Secure

[This review was collected as part of a promotion.] Wow! This is an amazing smart lock. It was super easy to install and is easily one of the best smart locks for the value. I’m not sure if it’s much more secure than a normal lock - I guess the fingerprint would make it harder to bypass though. Can’t say much about the battery power at this point. It’s been a couple of weeks and it’s still going strong for now, but we will see if that changes. I do think this is worth the price, especially for the ease of use. It also looks really cool once installed, dresses up the door and makes it look like we are putting a lot of effort into security (even if it’s just a lock).

Love the easy installation and the ease of use!

[This review was collected as part of a promotion.] This smart lock is amazing! The installation process was simple! Battery life of 14 months is great! It’s very compatible and user interface friendly! Security features will keep you safe! Highly recommended!

Amazing Lock

[This review was collected as part of a promotion.] The home system I never knew I needed! I am currently redoing my mudroom and a new smart lock was a perfect addition! Very similar to the key less locks used at Air BnB’s, and easy to install. I love the feature of having an app on your phone to be able to unlock your door. Hands full of groceries? Unlock your door from your car! My only concern would be that the battery life only lasts for a certain amount of time. I believe a little over a year so after a year, you would have to change the battery I believe.

Game changer

[This review was collected as part of a promotion.] I haven’t had a Smart Lock before. At first, the kit included everything you need to install the lock. Also there is kit of keys for the lock if you want to use it on the old man. It’s easy to install. I like that I can give access to my house remotely and I still don’t have to carry those keys from the kitchen. 
Can’t say anything about the battery life yet except that it’s here.
I think the price to quality ratio of this lock is excellent

Safe and comfortable

So far so good. The battery did not last one year. Installed it in July and battery was drained by October. We charged it and it worked. While charging we just used the keys that came with it. Finger print is good. Code is good as well. We used temporary codes for the in-laws. Good product.

Worthy

[This review was collected as part of a promotion.] Works perfect and easy to install! I have not had any issues with battery life yet it says a 14 month battery life and I’ve had it installed for about 2 weeks so I can’t say too much on battery life. The app is easy to use very simple straight forward. Comes with everything you need for quick easy installation. It auto locks if you forget.

Safety bonus

[This review was collected as part of a promotion.] I have been quite impressed with the performance of the smart lock. The app connectivity is seamless, providing real-time notifications that enhance my awareness of access activities. I have not experienced any issues with unlocking, and the lock integrates effectively with my existing smart home system.

However, I must note that the installation process did present certain challenges. Given the high quality of the product, the instructions could benefit from improved clarity, as I had to make several adjustments before achieving a successful installation. Once correctly installed, the lock has functioned flawlessly. The system has a sturdy, high-quality feel that adds to my appreciation for it.

Regarding battery life, I have not encountered any problems so far, although it has only been a few weeks since installation. If the setup process had been more straightforward, I would have confidently rated this product a full five stars. Overall, I am very satisfied with my purchase.

eufy E31 Keyless Entry Smart Lock with Fingerprint Reader

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