eufy Security Smart Lock C34, Keyless Entry Door Lock with Apple Home Ecosystem, Built-in Wi-Fi Deadbolt for Front Door or Back, Supports Matter, Alexa, Google Home, SmartThings
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30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Tuesday, Sep 9
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Style: Matter + WiFi + 8 AA batteries
Features
- Apple Home Support: eufy Smart Lock C34 seamlessly integrates with Apple Home, allowing you to unlock it using the Apple Home app on your iPhone and manage guest access easily. Its also compatible with popular third-party ecosystems like Google Home, Alexa, and SmartThings. No additional hub is required, making it easy to integrate into various smart home setups for automation.
- Up to 8 Months of Battery Life: Powered by 8 AA batteries, eufy Smart Lock provides up to 8 months of battery life based on typical usage (approximately 10 unlocks per day).
- Remote Control via HomePod or Other Hubs: Easily control your smart lock remotely through Apple Home or other apps. Enjoy features like simple setup, access management, real-time notifications, event logs, and remote unlocking. Note: Refer to the Q&A and Rich Context sections for more details.
- Easy Installation and Excellent Customer Service: Compatible with standard doors in the US and Canada, our smart lock offers easy 15-minute installation without drilling. Enjoy peace of mind with 18 months of electronic protection and 36 months of mechanical coverage, backed by our reliable after-sales service and professional 24/7 customer support.
Brand: eufy Security
Special Feature: Auto-Lock
Lock Type: Deadbolt
Item dimensions L x W x H: 6.89 x 2.76 x 1.3 inches
Style: Matter + WiFi + 8 AA batteries
Brand: eufy Security
Special Feature: Auto-Lock
Lock Type: Deadbolt
Item dimensions L x W x H: 6.89 x 2.76 x 1.3 inches
Style: Matter + WiFi + 8 AA batteries
Color: Black
Number of Pieces: 1
Included Components: Lock
Item Weight: 1.33 Kilograms
Control Method: App, Remote, Voice
Connectivity Protocol: Wi-Fi
UPC: 194644213916
Model Name: T85D2111
Manufacturer: Anker
Part Number: Anker
Item Weight: 2.92 pounds
Product Dimensions: 6.89 x 2.76 x 1.3 inches
Country of Origin: China
Item model number: T85D2
Special Features: Auto-Lock
Batteries Included?: Yes
Batteries Required?: Yes
Battery Cell Type: Alkaline
Date First Available: September 9, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Sep 9
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Learn more about financing & leasing here.
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Top Amazon Reviews
Style: Matter + WiFi + 8 AA batteries
So far good. I would say the lever can be less flimsy but it works always. The battery notification is helpful and the auto lock function works well too. Installation is fairly easy, just follow the instructions. However i have to say it is difficult ish to get the seal to properly seal the lock against the door for weatherproofing it. For the price, this is an excellent smart home lock that you can open/close from anywhere. No additional subscription needed. I actually used this to replace my schlage. The schlage build quality is nicer but i don’t think it’s 8x nicer compared to this.
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Reviewed in the United States on June 20, 2025 by Pradipta Sundhoro
Style: Matter + WiFi + Fingerprint + 10000mAh b...
Eufy Smart Lock Review — A Huge Upgrade Over Schlage Encode After struggling with two Schlage Encode locks, I decided to replace them with Eufy smart locks, and I couldn’t be happier with the switch. My Experience With Schlage Encode Unfortunately, the Schlage Encode locks consistently gave me trouble. Despite repeated attempts, I was unable to update the firmware, and getting the locks to join my Wi-Fi network was frustratingly unreliable. A quick search online confirmed that I wasn’t alone — plenty of other users reported the same issues. These ongoing problems eroded my confidence in the Schlage devices. Why Eufy Stands Out In contrast, the Eufy smart locks have worked perfectly from day one. Setup was simple, and they connected to Wi-Fi without any hassle. The locks have been reliable ever since, with no dropped connections or update headaches. I also appreciate the build quality: The Eufy lock operates quietly — no loud clunking noises like I experienced with the Schlage. The rear latch feels solid, with no excessive play or looseness. Seamless integration with Doorbells like the e340 for unlocking Final Thoughts If you’re looking for a smart lock that simply works, I highly recommend giving Eufy a try. After my disappointing experience with Schlage, Eufy’s reliability and thoughtful design have been a refreshing change.
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Reviewed in the United States on June 26, 2025 by Erik L. Erik L.
Style: Matter + WiFi + Fingerprint + 8 AA batte...
Easy to install and use. Occasionally, the finger print reader doesn’t work the first touch. The lock is well built.
Reviewed in the United States on July 25, 2025 by Bj
Style: Matter + WiFi + Fingerprint + 8 AA batte...
The media could not be loaded. This lock is great! I bought it during prime day so it was on sale. That’s the only thing that took me over the edge and made me do it. Everything seems to work exactly as it indicates. The only thing I wish is that it had a Geo Fence. I wanted to be able to have fobs that would work, but I haven’t had an issue with the fingerprint yet. My son and daughter are both have their fingerprints on there too and haven’t had any issues. The only weird thing is that you have to have a voice code in order to use with Alexa. It’s kind of scary to think that if someone was over at my house and I had to use that code, that perhaps if they heard me use it, they could actually yell it through my window or something. But the probability of that is pretty low. Just make sure that it is a different code than what you use for yourself to get in from the outside. We’re just going to change it periodically. Locking it works fine, but unlocking it you have to use a code. Sorry for the video. I’m still getting used to it so I seem to press a bunch of buttons! But it’s not that hard!
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Reviewed in the United States on July 18, 2025 by SSes
Style: Matter + WiFi + 8 AA batteries
I have been an Anker/Eufy fan for many years and have owned several of their products, but this has been my worst experience yet. I bought two of these locks, and while both installed easily and worked fine for about two weeks, they eventually went offline. I tried restarting my WiFi and removing and reinstalling the batteries, but neither lock would reconnect to WiFi. At this point, both locks were still connecting via Bluetooth. I then visited Anker’s support site, which directed me to completely reset the locks. Following their instructions, I reset one of the locks, which caused it to be completely removed from the Eufy app. When I attempted to set the lock back up in the app, it consistently failed at the WiFi setup step and could not be added back to the app. Since it is no longer set up, this lock cannot even be controlled via Bluetooth. Frustrated, I contacted support (which is only available via email). Over two weeks, I went back and forth explaining and re-explaining the issue. In the end, support said there was nothing they could do and advised me to use Bluetooth to control the locks. Because of the time wasted working with support, I am now outside the return window. As a result, I have one lock that is completely disconnected and cannot be controlled at all, and another that can only be controlled via Bluetooth when standing right next to it. Terrible experience!
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Reviewed in the United States on December 5, 2024 by J. C. J. C.
Style: Matter + WiFi + Fingerprint + 8 AA batte...
Easy to install and to get working with app. One of two kits was missing an insignificant part (rubber aesthetic plug) that customer support sent out to me quickly and free of charge. One of those upgrades that made me ask myself, "Why didn't I do this sooner?!".
Reviewed in the United States on June 13, 2025 by Hans Solo
Style: Matter + WiFi + Fingerprint + 8 AA batte...
One of the first matter with thread networking locks. Matter will let you use Apple, Alexa, etc all at the same time if you want. Thread will double battery life if using Apple home. Eufy resolved no response issues with a firmware update. Got low battery warning after first week so I unpaired Alexa to minimize use of WiFi which eats batteries. Batteries seem to be lasting much longer now. The E30 looks good, is reliable and future proofed with matter and thread. Glad I worked thru initial issues Update: looks like the low battery warning was false. Batteries still had 1.5 volts. Eufy fixed with firmware update. Same batteries read 100 now. Update: had it for 8 weeks, batteries at 89%. Operation is flawless. Make sure you update firmware, have a thread border router if using Apple Home, a good WiFi signal as a weak signal will eat batteries. This is still one of only 3 locks that have native matter over thread. I.e. no hub
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Reviewed in the United States on November 4, 2024 by SS