eufy Security C220 T8506 Smart Deadbolt with Fingerprint Entry and Built-In Wi-Fi

Made from aluminum, the eufy Security Smart Lock C220 replaces a standard deadbolt with keyless entry options and app-based control. Its black finish and modern shape suit a front door, apartment entry, or office door.

Unlock it by fingerprint, app, keypad, physical key, Apple Watch, or voice with Alexa or Google Assistant. Which option fits your routine best? The range of access methods makes it easy to choose based on whether your phone is nearby or you want a hands-free option.

Built-in Wi-Fi connects the lock directly to the eufy Security app, so remote control does not require a separate bridge. It also supports routines with a eufy doorbell and sends notifications for unusual opening attempts.

Tips for day-to-day use

Set up fingerprints and passcodes for the people who need access, then choose the entry method that works for each household member or visitor. The lock can store up to 50 fingerprints and 100 passcodes. Fingerprint recognition uses self-learning AI, which refines recognition with use, while the keypad and physical key provide additional ways to enter.

Auto-Lock can secure the door as part of your routine, and app control lets you manage the lock remotely. The exterior assembly is rated IP53 and designed to operate from -22°F to 158°F. For installation, it is made for most standard deadbolts, the door must be 35 mm–55 mm thick, and the crossbore center must be more than 45 mm from the top of the handleset. It is not compatible with mortise locks.

Specifications

• Type: Smart deadbolt
• Model: T8506
• Material: Aluminum
• Color: Black
• Dimensions: 7.67 x 4.49 x 4.41 inches
• Connectivity: Built-in Wi-Fi
• Unlock methods: Fingerprint, app, keypad, physical key, Apple Watch, and voice
• Battery: 8 AA batteries, up to 8 months, depending on use
• Storage: Up to 50 fingerprints and 100 passcodes
• Rating: IP53 waterproof, BHMA Grade 3
• Included: 2 physical keys and 8 AA batteries

Where it shines

The C220 is well suited to entry doors where convenient access and remote management matter. For example, you can use a fingerprint for everyday entry, give a visitor a passcode, or check and control the lock in the app while away. Compared with a conventional keyed deadbolt, it adds app access, notifications, and multiple keyless entry methods, those features are useful when a physical key is not the most practical choice.

Buyer feedback highlights easy installation, quick fingerprint access, and the choice of unlocking methods. Experiences are not uniform: some buyers report inconsistent fingerprint recognition, Wi-Fi connections, or reliability, and battery-life feedback varies. The stated battery life is up to 8 months and depends on how often the lock is used, so actual use can differ.

Practical questions

Can you unlock it without your phone? Yes. Use a fingerprint, keypad passcode, physical key, Apple Watch, or compatible Alexa or Google voice control, in addition to the eufy Security app.

What should I check before installing it? Confirm that the door uses a standard deadbolt, is 35 mm–55 mm thick, and has more than 45 mm between the crossbore center and the top of the handleset. The lock is not designed for mortise locks.

Does it work with a eufy doorbell? Yes. The lock can be added to routines with a eufy doorbell and managed through the eufy Security app. It also supports Alexa and Google Assistant voice control.

Should you buy it?

Choose the C220 if you want a smart deadbolt that combines fingerprint entry, passcodes, physical-key backup, and built-in Wi-Fi in one lock. Its varied access methods and app control make it a practical fit for a compatible front or entry door, especially when you want to manage access without relying solely on keys.