eufy Smart Lock E40 vs C30 vs C220: Which One Fits Your Door?

Quick Answer

If you want a complete, cohesive entryway upgrade with a matching lever handle and remote access without extra hardware, the eufy Security Smart Lock C30 with Door Lever is a strong, budget-friendly choice. For keyless entry with a traditional deadbolt look, consider the eufy Smart Lock E40, which offers a more classic design. The eufy Smart Lock C220 is another option, but we'll focus on the two most distinct choices here.

Choosing a smart lock is about more than just security—it's about how the lock fits your door, your daily routine, and your home's style. With several eufy models available, it's easy to get stuck comparing specs. This guide breaks down the key differences between the eufy Smart Lock E40, the eufy Smart Lock C30, and the eufy Smart Lock C220, so you can pick the one that truly fits.

We'll focus on what actually matters: design, control options, and installation. You'll see how each model handles remote access, what you need to know about door compatibility, and where each lock shines or falls short. By the end, you'll have a clear idea of which smart lock deserves a spot on your door.

Design and Aesthetic: Matching Your Door's Style

The eufy Security Smart Lock C30 with Door Lever is designed for a seamless, cohesive look. It pairs a smart lock with a matching door lever, eliminating the mismatched hardware that often comes with separate purchases. This is a great choice if you want a unified, sophisticated entryway without hunting for a compatible handle.

The eufy Smart Lock E40, on the other hand, typically features a more traditional deadbolt design. This fits doors that already have a standard deadbolt hole and appeals to those who prefer a classic look. The eufy Smart Lock C220 may offer a different form factor, but if you're torn between a lever-integrated design and a standalone deadbolt, the C30 and E40 represent the clearest tradeoff.

• Check your door's existing hardware: a lever-style lock replaces a handle, while a deadbolt-style lock fits a separate deadbolt hole.

Control and Connectivity: Remote Access Without Extra Gear

The eufy Security Smart Lock C30 includes built-in Wi-Fi, so you can control it remotely through the eufy Security app without needing a separate bridge. This means you can manage access, get real-time notifications, and review event history from anywhere. It's a convenient, self-contained setup.

For the E40 and C220, connectivity details weren't supplied, so we can't confirm whether they have built-in Wi-Fi or require a hub. If remote access without extra hardware is a priority, the C30's built-in Wi-Fi is a clear advantage. If you already have a eufy HomeBase or don't mind adding a bridge, the E40 or C220 might still work, but you'll need to verify their connectivity requirements before buying.

• If remote control without extra hardware matters, prioritize a lock with built-in Wi-Fi like the C30.

Installation and Compatibility: What to Check Before You Buy

Smart lock installation can vary by model. The C30 with Door Lever is designed as a complete unit, which may simplify installation if you're replacing an existing lever handle. The E40 typically fits standard deadbolt preparations, but you should measure your door's backset and crossbore to ensure compatibility.

For the C220, installation specifics weren't provided, so we can't confirm its fit. Always check the product's specifications for door thickness, hole size, and whether it includes a strike plate. If you're unsure, eufy offers installation services for some models, which can save you the hassle of DIY mistakes.

• Measure your door's thickness and existing holes before ordering to avoid a return.

Tradeoffs at a Glance

• C30: All-in-One Convenience: Includes a matching lever handle and built-in Wi-Fi for remote control without a bridge. Ideal for a cohesive look and easy setup. Best if you want a complete, coordinated solution with minimal extra hardware.
• E40: Classic Deadbolt Design: Offers a traditional deadbolt look that fits standard door preparations. Connectivity details weren't confirmed, so check if you need a bridge. Best if you prefer a classic style and already have a deadbolt hole.
• C220: Alternative Form Factor: A different design option, but specifications were not fully supplied. Verify compatibility and features before choosing. Consider only if the C30 or E40 don't meet your specific needs.

Product Facts at a Glance

• eufy Security Smart Lock C30 with Door Lever: Aesthetic Consistency: Enhance your home's visual appeal with a smart door lock and matching handle that create a seamless and sophisticated entryway. This unified design eliminates mismatches, ensuring a cohesive and elegant look. Control from Anywhere: With built-in Wi-Fi, manage your smart lock remotely via the eufy Security app—no bridge required. Access management, real-time notifications, and event history are... If you want a polished, coordinated entryway and remote access without extra hardware, this lock delivers both in one package.
• eufy SmartTrack Card E40: Works with Apple Find My and Google Find Hub: Seamlessly compatible with iOS and Android. Natively integrates with both networks, leveraging massive crowdsourced tracking for worldwide coverage and reliable recovery. Effortless Wireless Charging: Ditch the cables. Place it on any standard wireless charger for a full charge (LED glows red while charging, blue when full). Enjoy up to 5 months of tracking per charge.... While not a smart lock, this card-style tracker shows eufy's focus on convenience and cross-platform integration—useful if you want to track keys or wallets alongside your smart home.

Which Lock Fits Your Door?

Best for

• Homeowners who want a seamless, matching entryway with a lever handle and built-in Wi-Fi for remote control.
• Renters or those replacing an existing lever handle who want a simple, all-in-one upgrade.

Not for

• Those who prefer a traditional deadbolt design and already have standard deadbolt hardware.
• Buyers who need specific connectivity features not confirmed for the E40 or C220—verify specs first.

Choosing between the eufy Smart Lock E40, C30, and C220 comes down to your door's hardware and your preference for design and connectivity. The C30 stands out for its integrated lever handle and built-in Wi-Fi, making it a convenient, cohesive choice. If you prefer a classic deadbolt, the E40 is worth considering, but double-check its connectivity. Measure your door, think about how you want to control the lock, and pick the one that fits both your door and your lifestyle.