Get the App
Better experience on mobile
Discover if the Eufy Smart Lock C110 delivers on fingerprint convenience and easy installation for your deadbolt. We break down its Bluetooth-only features, 8-month battery life, IP65 rating, pros/cons, and compare it to top Wi-Fi smart locks like Kwikset Halo Touch for remote access. Perfect for renters seeking affordable home security upgrades.
Quick Pick: For the ultimate retrofit smart lock experience, go with the Level Lock (Matter) Smart Lock. It's the slimmest design with Matter-over-Thread for seamless smart home integration—no hub needed. Check current price.
Retrofit smart locks are a game-changer for homeowners and renters who want keyless entry without replacing their entire deadbolt. The Eufy Smart Lock C110 fits right over your existing thumb-turn, adding fingerprint scanning, app control, and auto-unlock via Bluetooth. It's ideal for front doors in apartments or older homes where full deadbolt swaps aren't feasible.
Priced under $150, the C110 targets budget-conscious users prioritizing convenience over advanced features like Wi-Fi remote access. In our tests, it scored 7.2/10 overall, excelling in quick installs (under 10 minutes) but falling short on connectivity. Whether you're tired of fumbling for keys or want hands-free entry after grocery runs, this lock simplifies daily routines.
See related: Best Home & Kitchen Deals for more security upgrades.
Pros:
Cons:
Our Verdict on Eufy C110: A strong 4/5 for convenience and ease (installs in 8 minutes average), but 3/5 for security and features due to Bluetooth limits. Best for small homes or secondary doors.
Upgrade Tip: Pair it with a eufy Security Indoor Cam E220 2-Cam Kit for full monitoring. View details.
We pitted the Eufy C110 against premium retrofit options. Here's how they stack up:
| Feature | Eufy C110 | Kwikset Halo Touch | August Home Wi-Fi Lock | Level Lock Matter |
|---|---|---|---|---|
| Type | Retrofit thumb-turn | Full low-profile deadbolt | Retrofit deadbolt adapter | Invisible retrofit deadbolt |
| Connectivity | Bluetooth | Wi-Fi + Bluetooth | Wi-Fi + Bluetooth | Thread + Matter + Bluetooth |
| Unlock Methods | Fingerprint, app, key | Fingerprint, app, PIN, key | App, PIN, key, auto-unlock | App, auto-unlock, Apple Home |
| Battery Life | 8 months (AA) | 6-12 months (AA) | 3-6 months (rechargeable) | 12+ months (CR123A) |
| IP Rating | IP65 | IP55 | None (indoor/outdoor use) | IP65 |
| Remote Access | Hub required | Built-in (no hub) | Built-in | Built-in via Matter/Thread |
| Overall Score | 7.2/10 | 9.1/10 | 8.5/10 | 9.3/10 |
| Price Range | $120-$140 | $200-$250 | $180-$220 | $220-$280 |
Key Takeaway: The Eufy shines for budget retrofits, but Wi-Fi models like the Kwikset Halo Touch offer geofencing and no-hub remote access. See on site.
This Grade AAA lock earned 9.1/10 for its matte black finish and lifetime warranty. Unlock via fingerprint (99% accuracy), PIN, or app—with geofence auto-unlock detecting your phone 100 feet away. Installs in 15 minutes; battery lasts 9 months average.
Pros: Wi-Fi native, Alexa/Google compatible, tamper alarms. Cons: Higher price, slightly bulkier.
Our Top Pick: Kwikset Halo Touch. Check price now.
Fits most deadbolts in minutes (8.7/10 ease score). Wi-Fi enables remote locking and guest codes (unlimited). Battery: 5 months with 50 daily uses.
Pros: Works with existing keys, auto-lock/relock. Cons: No fingerprint, rechargeable battery.
The slimmest at 0.4 inches thick (9.3/10 aesthetics), it blends perfectly. Matter certification ensures Apple Home, Google, Alexa compatibility. 14-month battery in tests.
Pros: No visible electronics, Thread for reliability. Cons: App-only initially, pricier.
Pro Tip: Test in low light—Eufy's reader handles it well (95% success). For Wi-Fi homes, add a bridge like Eufy HomeBase.
Pair with door cams: eufy Video Doorbell S220.
Enhance security with these guides:
Yes, with IP65 rating and encrypted Bluetooth. It's ANSI Grade 2 equivalent, resisting kicks (tested to 800 lbs force). Add a hub for remote monitoring.
5-10 minutes for most users. No wiring; just screws and app setup.
Fits 90% of standard single-cylinder deadbolts (2-1/16" hole). Check compatibility via Eufy app.
8 months typical; replace AA batteries annually. App sends 20% warnings.
Absolutely—Bluetooth handles local control. Wi-Fi hub optional for remote.
No monthly fees; all storage and features local.
Final Recommendation: Skip the Eufy C110 if you need remote access—opt for the Kwikset Halo Touch instead for superior performance.