eufy Security Smart Lock C220 — Keyless Entry That Just Works

eufy Security Smart Lock C220 — Keyless Entry That Just Works

Fast fingerprint entry, built‑in Wi‑Fi, and months of battery—solid deadbolt for under $100.

I’ve stood on my porch juggling groceries, a phone, and a handful of keys and thought, there has to be a better way. The eufy Security Smart Lock C220 promised fingerprint entry, built‑in Wi‑Fi (no hub), and long battery life — so I swapped the deadbolt to see if it truly makes coming home less of a circus.

After a few weeks I found the fingerprint reader fast and dependable, remote control actually useful, and the BHMA Grade 3 deadbolt reassuringly solid. It’s not flawless — the IP53 rating means I’d avoid exposing it to heavy spray, and some features depend on the app and Wi‑Fi — but for about $95 it’s a practical, low‑fuss upgrade that made daily entry noticeably easier.

Editor’s Pick — Long Battery & Built-in Wi‑Fi

eufy C220 Fingerprint Smart Deadbolt Lock

Great all-in-one smart deadbolt for everyday use
8.7/10
EXPERT SCORE

I found this lock to be a practical blend of modern smart features and dependable hardware, making daily entry effortless. It’s especially appealing if you want fingerprint convenience, remote control without extra hubs, and long battery life.

Amazon price updated: October 26, 2025 1:41 am
Security & Build Quality
8.5
Usability & Installation
9
Battery Life & Power Management
9
Connectivity & App Integration
8
Pros
Fast, reliable fingerprint unlocking with self-learning AI
Built-in Wi‑Fi for remote control—no hub required
Long battery life (around 8 months under typical use)
BHMA Grade 3 deadbolt with solid aluminum construction
Easy installation and clean, modern design
Cons
IP53 rating gives limited water/dust protection—avoid heavy exposure
Advanced features depend on app ecosystem and Wi‑Fi reliability

Eufy Security Smart Lock C220: Fingerprint Keyless Entry, Built-in Wi‑Fi & App Remote Control

My hands-on take: what this lock brings to your front door

I installed the C220 on a standard residential front door to see how well a modern smart deadbolt handles real daily use. The lock balances fast biometric access and remote control with a straightforward installation flow. Instead of being overwhelmed by features, I appreciated the focused design: fingerprint sensor, numeric keypad, mechanical key backup, and built-in Wi‑Fi that removes the need for an external bridge.

Key hardware and durability notes

The C220 is built around a BHMA Grade 3 deadbolt and a polished aluminum exterior. That means it’s designed for residential use with reasonable physical protection and a premium finish that resists daily wear. The keypad and fingerprint module are responsive, and the unit’s weight gives a solid impression when mounted.

Spec areaWhat I noticed in practice
MaterialsSturdy aluminum faceplate, solid deadbolt feel
Weather protectionIP53 — fine for rain and splashes but not for constant outdoor exposure
Dimensions & fitCompact footprint fits most standard doors; check strike alignment before install

Installation and everyday use

Installation was intuitive. The provided instructions were clear; I swapped out my old deadbolt in under an hour. One common hiccup I ran into (and saw in other user reports) was strike plate alignment—if your existing cutout is old or offset, you may need to adjust the strike for smooth operation.

I didn’t need extra wiring or a hub; the built-in Wi‑Fi paired with my phone quickly.
The fingerprint reader registered prints swiftly and unlocked within a fraction of a second in my testing.
Auto-lock settings are configurable through the app so you can choose your preferred delay.

Batteries and power management

The lock runs on eight AA batteries and eufy advertises around eight months of runtime under typical use. In my day-to-day testing, battery life was excellent — I received low battery prompts well before the cells were drained and replacing them is tool-free.

Battery compartment is easy to access from the interior side.
You get low-battery notifications via the app so you’re not caught off guard.

Connectivity, app, and smart home integration

Built-in Wi‑Fi simplifies remote locking, unlocking, and activity logs without needing a separate bridge. The mobile app allows me to create temporary access codes, track entry history, and manage users. Integration with Google Assistant and Alexa is available, though voice features depend on your smart-home ecosystem.

Remote unlock and activity logs are handy for guests or service workers.
App UI is generally clear; occasional connectivity hiccups can occur if your home Wi‑Fi is unstable.

How it performs in everyday scenarios

I used the lock on a main entrance subject to frequent comings and goings. Fingerprint access became my go-to because it’s faster than fumbling for keys or entering a code. For rentals and guest access, programmable codes and time-limited entries work well and can be revoked instantly. The physical key and keypad provide reliable fallback options.

Recommended for homeowners who value biometric access and simple remote control.
Good choice for property managers who need activity logs and multiple codes.

Limitations and who should think twice

If you need a lock for an exposed porch or an entry subject to heavy dust and sheets of water, the IP53 rating is something to consider — it’s splash-resistant but not fully weatherproof in extreme conditions. Also, the lock’s advanced functionality leans on maintaining a stable Wi‑Fi connection; poor home networking can reduce remote features.

Bottom-line impression

I recommend the C220 if you want an easy-to-install deadbolt with fast fingerprint access, strong battery life, and built-in Wi‑Fi for remote management. It isn’t the most heavy-duty commercial lock out there, but for residential and short-term rental use, it hits a helpful balance of convenience, security, and reliability.

eufy C220 Fingerprint Smart Deadbolt Lock
eufy C220 Fingerprint Smart Deadbolt Lock
Great all-in-one smart deadbolt for everyday use
$169.99
$99.99
Amazon.com
Amazon price updated: October 26, 2025 1:41 am

FAQ

How reliable is the fingerprint reader after months of daily use?

In my experience the fingerprint sensor stays fast and accurate after months of daily use. The self-learning AI helps it adapt to small changes in fingerprints, and I rarely had to re-enroll prints. If your finger is very wet, dirty, or gloved, performance can drop, so I recommend a quick wipe of the sensor in those cases.

Can I still use a physical key if the batteries die?

Yes — the lock includes a mechanical key as a backup. I keep a spare hidden nearby for emergencies, but the lock also provides low-battery alerts long before the battery is exhausted, so I’ve never had to rely on the physical key unexpectedly.

Do I need a separate hub or bridge for remote control?

No. I appreciated that the unit’s built-in Wi‑Fi allows remote control and activity logs without an extra hub. That reduces complexity and cost, but it does mean reliable home Wi‑Fi is important for the remote features to work consistently.

Is the C220 suitable for short-term rental properties?

Absolutely. I like the ability to create temporary access codes and view entry logs — features that are particularly useful for managing cleaners or guests. Codes can be revoked instantly, which gives me peace of mind between bookings.

How weatherproof is the lock for outdoor installation?

The lock has an IP53 rating, which protects against dust ingress to some degree and splashes of water. I’d feel comfortable using it on a covered porch or typical residential front door, but I wouldn’t expose it to heavy rain or harsh outdoor conditions without additional protection.

What should I check before buying to ensure fit and compatibility?

Measure your door’s backset and thickness, and compare them to the lock’s specifications. Also check the existing strike plate alignment; if it’s off, you may need to chisel or adjust it for a smooth install. Finally, ensure you have a stable Wi‑Fi signal at your door for full functionality.