eufy Security Smart Lock S230, Keyless Fingerprint Lock for Front Door, Easy Installation, Built-in Wi-Fi, Reliable App for Remote Access, One-Year Battery Life, BHMA Certified, IP65 Weatherproof
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AI Verdict
This is a BHMA Certified, IP65 weatherproof deadbolt with built-in Wi-Fi and a 10,000 mAh rechargeable battery, best for those prioritizing fingerprint access and remote control over Apple HomeKit int
The S230 offers a robust set of features like fingerprint unlocking and built-in Wi-Fi, making it a strong contender for keyless entry. However, its reported Wi-Fi reconnection issues and inconsistent auto-lock mean it's not a perfect fit for everyone, especially those needing uninterrupted remote access or absolute auto-lock reliability. The 10,000 mAh battery is a significant advantage, but user experiences suggest it might not always hit the one-year mark.
If consistent Wi-Fi connectivity and automatic reconnection are critical, look for models with a dedicated bridge or more robust Wi-Fi management features, or consider a lock with Z-Wave/Zigbee for local control.
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Pros
- Unlocks in 1 second via fingerprint, with AI learning for faster recognition over time.
- Features a 10,000 mAh rechargeable battery, offering extended use between charges.
- Installs in approximately 15 minutes without needing an additional bridge or drilling.
- Constructed with zinc alloy and stainless steel, and BHMA Certified for over 100,000 lock/unlock cycles.
- IP65 weatherproofing protects against rain and dust.
- Fingerprint data is stored locally, not in the cloud, for privacy.
Cons
- Wi-Fi connectivity can be intermittent and may not automatically reconnect after an internet outage.
- The auto-lock feature has been reported as unreliable by some users, sometimes failing to engage.
- Lacks native Apple HomeKey or HomeKit support, limiting integration for Apple users.
- Battery life, while substantial, may not consistently reach the advertised one-year duration for all users.
- Remote control via the app can experience lag.
Dimension Scores
The fingerprint sensor recognizes fingerprints in 0.3 seconds and unlocks in 1 second, with AI learning improving speed over time.
While it has built-in Wi-Fi, users report intermittent connectivity and a failure to automatically reconnect after internet outages.
The eufy Security app offers comprehensive control and access management, but remote access can experience lag, and it lacks Apple HomeKit support.
Constructed from zinc alloy and stainless steel, it is BHMA Certified for 100,000 cycles and IP65 weatherproof, though some users reported issues in extreme temperatures.
Best For
- Homeowners seeking keyless entry with fast fingerprint recognition.
- Users who need remote access and control via a smartphone app without a separate hub.
- Properties in variable weather conditions due to IP65 weatherproofing.
Not Recommended For
- Apple HomeKit users requiring native integration and HomeKey support.
- Individuals needing absolutely flawless Wi-Fi reconnection after network disruptions.
- Those who rely heavily on a consistently working auto-lock feature for security.
Watch Out For
- The lock may go offline and require manual resetting (deleting and re-adding in the app) to reconnect to Wi-Fi after an internet outage.
- Auto-lock functionality can be inconsistent; one user reported it failing after initial setup and needing calibration.
- Some users experienced the lock freezing or dying in extreme temperatures (below -10 degrees Fahrenheit or above 100 degrees Fahrenheit).
- The internal battery cassette corroded for one user within 6 months.
- Door thickness must be between 35-55mm (1.38-2.17 inches) for proper installation.
Full Specifications
| UPC | 194644024024 |
| ASIN | B08HYTGFLR |
| Size | 135mm x 220mm x 245mm |
| Brand | eufy Security |
| Color | Black |
| Shape | Rectangular |
| Style | ['Modern'] |
| Finish | Polished |
| Material | Zinc |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Lock Type | Deadbolt |
| Model Name | S230 |
| Finish Type | Polished |
| Item Weight | 3.64 pounds |
| Part Number | T8510013 |
| Manufacturer | Eufy |
| Control Method | Touch |
| Controller Type | iOS or Android |
| Special Feature | Auto-Lock |
| Number of Pieces | 1 |
| Special Features | Auto-Lock |
| Battery Cell Type | Lithium |
| Item model number | T8510013 |
| Product Dimensions | 8.66 x 5.31 x 9.65 inches |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Included Components | Exterior assembly, Interior assembly, Deadbolt, Strike plate, Strike reinforcer, Screw pack, 4 × AA Anker batteries, Wi-Fi bridge, User manual, Welcome card |
| Connectivity Protocol | Bluetooth, Wi-Fi |
| Item Package Quantity | 1 |
| Item dimensions L x W x H | 8.66 x 5.31 x 9.65 inches |
| Recommended Uses For Product | Front door security |
What Buyers Say
The eufy S230 is a mixed bag, leaning positive for its core function. Many users praise the fingerprint reader's speed and accuracy, often making keys obsolete. However, the Wi-Fi connectivity can be a headache, with reports of the lock going offline and needing a full reset after internet drops. The auto-lock feature also seems hit-or-miss, which is a concern for security. Despite the 10,000 mAh battery, some found it didn't quite hit the advertised one-year mark, though it still lasts for months.
“Look, the fingerprint thing is awesome, seriously fast, but the Wi-Fi going out every time my internet blips and then having to delete and re-add the whole thing is just plain annoying, almost makes me want my old dumb lock back.”
Common Praise
- Fingerprint reader is fast and accurate, often unlocking in under a second.
- Installation is straightforward and can be completed in about 15 minutes.
- The 10,000 mAh rechargeable battery provides extended use, lasting several months for many.
- Built-in Wi-Fi eliminates the need for a separate bridge for remote control.
- Multiple unlocking methods (fingerprint, keypad, app, key) offer flexibility.
Common Complaints
- Wi-Fi connection frequently drops and fails to automatically reconnect after internet outages, requiring manual re-setup.
- The auto-lock feature is inconsistent and sometimes does not engage as expected.
- Remote control via the app can be slow or laggy.
- Lack of Apple HomeKit or HomeKey support is a drawback for Apple users.
- Some units experienced issues or failure in extreme hot or cold weather conditions.
Ownership Tips
- The lock's Wi-Fi can be unstable, especially after a router restart or internet outage, often requiring a full reset and re-pairing.
- Battery life, while long, might not reach the full year for everyone, especially with frequent use or colder temperatures.
- The auto-lock feature needs to be monitored closely, as it can be unreliable and may not always lock the door as set.
- The physical key is a necessary backup, as app lag or Wi-Fi issues can prevent remote unlocking.
- The lock's performance can degrade in extreme weather conditions, potentially leading to freezing or complete failure.
Frequently Asked Questions
Does the eufy Smart Lock S230 require a bridge for Wi-Fi connectivity?
No, the S230 has built-in Wi-Fi, so it connects directly to your home network without needing a separate bridge.
Is the eufy Smart Lock S230 compatible with Apple HomeKit?
No, the S230 does not support Apple HomeKit or HomeKey. It does integrate with Google Assistant and Alexa.
What happens if the battery dies on the eufy Smart Lock S230?
The lock includes a micro-USB port for emergency charging, allowing you to power it temporarily to gain entry. Physical keys are also included as a backup.
How long does the battery last on the eufy Smart Lock S230?
The lock features a 10,000 mAh rechargeable battery, advertised for one year of use. User experiences vary, with some reporting less than a year but still substantial battery life.
What door thickness is required for the eufy Smart Lock S230?
The S230 is designed for doors between 35-55mm (1.38-2.17 inches) thick.
Buying Guide
When you're looking at smart locks, you're basically trading traditional keys for convenience and control. Think about how you actually want to unlock your door most of the time – fingerprint, keypad, phone app, or even voice. Also, consider where you'll be controlling it from. If you need to let someone in when you're not home, you'll need Wi-Fi. If you just want to ditch keys and use your finger, Bluetooth might be enough. Don't forget about the physical security; it's still a lock, so certifications like BHMA matter.
BHMA Certification
This is like a safety rating for your lock. BHMA (Builders Hardware Manufacturers Association) certification means the lock has been tested for things like durability, security, and finish. A higher grade (like Grade 1) means it's tougher, similar to how a car's safety rating tells you how well it protects in a crash.
Built-in Wi-Fi vs. Bridge
Built-in Wi-Fi means the lock connects directly to your home internet, letting you control it remotely from anywhere without extra hardware. A bridge is a separate device that acts as a middleman, connecting your lock (often via Bluetooth) to your Wi-Fi network. Built-in Wi-Fi is simpler, but sometimes less stable than a bridge connection.
Fingerprint Recognition Speed
This measures how quickly the lock identifies your fingerprint and unlocks. A faster speed means less waiting at your door, which is a huge convenience factor, especially when your hands are full. Think of it like how fast your phone unlocks with your finger.
IP65 Weatherproofing
This rating tells you how well the lock can handle outdoor elements. 'IP' stands for Ingress Protection. The '6' means it's dust-tight, and the '5' means it can withstand water jets from any direction. So, rain and dust shouldn't be an issue, but don't submerge it.
Alternatives
If you need rock-solid Wi-Fi reconnection or native Apple HomeKit integration, search for smart locks that explicitly support those features, potentially with a dedicated hub for more stable remote access. If extreme weather is a constant, look for locks with wider operating temperature ranges.
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