eufy Security Smart Lock C210, Keyless Entry Door Lock, Built-in WiFi Deadbolt, Smart Door Lock, No Bridge Required, Easy Installation, Touchscreen Keypad, App Remote Control, 4 AA Batteries Included
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Extended holiday returns
FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
In Stock.
Arrives
Thursday, Nov 20
Recently Viewed
Color: Black
Features
- Easy Installation and Excellent Customer Service: Compatible with most standard US deadbolts. 15-minute easy install without drilling. 18-month aftersales service with 24/7 customer support.
- Control from Anywhere with Built-in Wi-Fi: No bridge required, you can control your smart lock from anywhere via the eufy Security app. Easy setup. (Access management, Real-time notification, Event History) *Latest model number: C210 (Previously E110). No difference between C210 and E110.
- Integrated Smart Home: If you have a eufy doorbell, you can add your smart lock to your routines and control devices together within the eufy Security app.
- 5 Ways to Unlock: Open your smart lock via the eufy Security app, using the keypad or physical key, from Apple Watch, or use your voice with Alexa/Google Voice Assistant.
- Security and Durability: BHMA Certified after being locked and unlocked more than 100,000 times. Send an alarm triggered by a usual attempt to open your door lock.
Brand: eufy Security
Special Feature: Stable Built-in Wi-Fi, Access management, Real-time notification, Event History, BHMA Certified
Lock Type: Keypad WiFi smart lock
Item dimensions L x W x H: 8.66 x 3.15 x 7.09 inches
Material: Aluminum
Brand: eufy Security
Special Feature: Stable Built-in Wi-Fi, Access management, Real-time notification, Event History, BHMA Certified
Lock Type: Keypad WiFi smart lock
Item dimensions L x W x H: 8.66 x 3.15 x 7.09 inches
Material: Aluminum
Recommended Uses For Product: Security
Style: Built-in WiFi
Color: Black
Number of Pieces: 2
Finish Type: Matte
Included Components: Keypad, Remote Control
Shape: Rectangular
Item Weight: 671.5 Grams
Control Method: Remote
Connectivity Protocol: Wi-Fi
UPC: 194644112585
Model Name: C210
Manufacturer: Eufy
Part Number: T8502111
Item Weight: 1.48 pounds
Product Dimensions: 8.66 x 3.15 x 7.09 inches
Item model number: T8502
Batteries: 4 A batteries required. (included)
Finish: Matte
Power Source: Battery Powered
Installation Method: Screw-In
Item Package Quantity: 1
Special Features: Stable Built-in Wi-Fi, Access management, Real-time notification, Event History, BHMA Certified
Usage: Outside; Professional
Batteries Included?: Yes
Batteries Required?: Yes
Battery Cell Type: Alkaline
Average Battery Life: 4 months
Date First Available: October 19, 2022
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Nov 20
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
Color: Black
I replaced a Yale lock that I could not connect to remotely. The lock has a separate plug into an outlet that facilitates connecting to Wi-Fi. Never work from the beginning The keypad worked but not having access, defeated the whole purpose The only reason I bought EUFY was the price. For under $100 it beats the Yale and the Schlag locks by $150 or more It is package beautifully. The instructions are simple and clear. And it was very easy to install. It was extraordinarily easy. It connected to Wi-Fi without a glitch I’m going to buy another one for the door opposite this. And then when I get back to our other home, I’m going to get one for our front door and replace the Yale lock. The yale like has to connect through wink. After I had it for about two years wink decided to start charging me five dollars a month. EUFY is a no-brainer. And now I’m going to look into more of their products.
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Reviewed in the United States on September 21, 2025 by bmfflash
Color: Black
I have never used the Eufy brand of electronics before so I was a bit hesitant to spend the money but what one me over was the that this lock in particular does not require drilling and extra hole into the door for the mounting plate (Its optional) and it's still sturdy with well attached without those extra screws. The installation process was very easy and took less than 30 minutes. The instructions are clear and concise. Appearance wise this is a very sleek but smart lock. The digits pad is simple but modern and simple looking. Even my matienance man was able to use it without instructions. Connecting it to the eufy app was hassel free abd simple as well. It did lose connectivity once in the early days but since then I've had no issues. The lock does have auto lock feature and you can set individual door codes for people. All of this has to be done in the app. Overall I love this door lock and the brand did not disappoint. Im actually looking at getting their smart lock/camera/doorbell device for my front door.
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Reviewed in the United States on May 22, 2025 by Bryanna
Color: Black
I've had two WiFi Locks by well known companies that failed within the first year and they wouldn't replace their locks as they both only had a 90 day warranty. That made me start looking for a replacement and that's how I came upon Eufy. I read reviews and found that they have a very good reputation. So I decided to plunge and buy. The other two companies required this extensive process for installation. Eufy's installation was so easy it wasn't funny. I set aside an hour to install figuring it might take longer but my installation took less than 30 minutes. I was astounded and integrating with Alexa was a breeze. It literally took a few minutes. All I needed to do was to download the skill and Alexa did the rest. I love being able to check the status of my lock from the Alexa app. And I get notifications if I leave the house and have left the front door unlocked. The other thing I love - I added locking the front door to my evening routine. I tell Alexa Good Night and the living room lights are turned off, Alexa checks to make sure the front door is locked and then my bedroom light is turned off. You gotta love technology!! You want to buy a simple but efficient and reliable lock that works with Alexa, then this is your product. Just make sure that you order the Eufy WiFi Lock that works with Alexa. Well worth the budget price!
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Reviewed in the United States on May 6, 2024 by Riffraffer Riffraffer
Color: Black
This lock is very nice but entering the passcode takes a few time for some unknown reason. I tried entering slow and fast. Seems you have to find the right speed. Other than this, installation, hardware are both solid material and looks very modern. Out of 5 locks, had one die. Battery life is okay perhaps needing to replace busy doors once every 5-6wks. Easy to connect to APP. Still haven’t gotten them to work with Alexa.
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Reviewed in the United States on October 29, 2025 by A. Glenn
Color: Black
I purchased 2 of the C210 models smart locks for my Airbnb property. They worked great at first, and the app is nice but after a few months both units kept draining the batteries. Eufy sent me another set and those were even worse. The batteries drained every week. I can’t have the locks go out with guests staying. I wanted to work something out with Eufy…maybe an upgrade to C220s but a manager, Shane, said that the company doesn’t do upgrades and to return the locks to them and buy other locks. So Eufy wants to lose a customer over $40 (the price difference between C210 and C220 for 2 locks). So my buddy, Shane, emailed me a return label to send all 4 locks back to Eufy. I purchased another brand of locks that manager Shane suggested I do (assuring me in an email that I will receive a 100% refund), had my property manager install them, box up the Eufy locks, and return using the label my buddy, manager Shane, emailed to me. He is now saying that the label is invalid and that I should check with USPS. That is not my problem. It is Eufy’s problem. My PM sent those locks on Nov 14, 2023. I received notifications on my phone on Nov 25, 2023 that the locks had been opened indicating that they arrived at the Eufy facility. My buddy, manager Shane, is refusing to, not only refund my money as I was assured, but also refusing to check with his receiving department. Very poor locks and even worse customer service. If I actually get my refund, I will update my review. UPDATE Dec 6, 2023 My buddy, Shane, is now making excuses about why he will not refund my money despite saying “rest assured” I will get a refund. His stance is that the return label was not activated. Umm…thought it was invalid. Eufy generated and emailed the label to me. Now it’s my fault?? Watch out if you plan to buy a Eufy product which is owned by Anker Innovations. UPDATE Dec 29,2023 I finally received a refund after contacting Anker Innovations directly. It only took 3 months. The Anker rep was apologetic and hoped that this incident wouldn’t affect my feelings about purchasing from Anker/Eufy in the future. My response was that she, (yet another “Debbie” in those companies”) should be more concerned with Shane who could care less about customers or his company and to let me know when Shane was removed from a managerial position then I would change my star rating. Within a couple of days, I received another email from “Debbie” stating that male Shane had been removed but a female “Shane” (she actually used quotation marks) had been placed. Sooo…my ONE star rating remains because I did finally receive my refund, but no more stars for lying and insulting my intelligence. Bizarre folks over there at Anker and Eufy. Good luck to you if you buy their products. I do NOT recommend.
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Reviewed in the United States on December 5, 2023 by Carmello