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Best Dual Band Eufy Smart Lock of 2026 For Keyless Home Entry

Upgrade entry doors with the best dual band eufy smart lock in October 2026 for fast biometric access, remote app control, and reliable home safety.

eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock

Juggling heavy grocery bags while fishing for brass keys in the pouring rain turns a simple homecoming into an annoying hassle. Upgrading to a modern keyless setup solves that daily friction instantly. When selecting hardware to secure your entry points, picking the best dual band eufy smart lock ensures swift wireless responsiveness across your home network without tethering you to costly monthly cloud fees. These units blend biometric fingerprint access with reliable local connectivity, allowing you to ditch bulky keychains for good. Many homeowners pair these smart deadbolts alongside video doorbells without subscriptions to build a cohesive, private perimeter security setup that alerts your phone whenever someone steps onto the porch.

Standard residential deadbolts often leave you wondering if you remembered to throw the latch before heading off to work. Modern access hardware removes that lingering dread through automated locking sensors, instant tamper notifications, and flexible PIN sharing for dog walkers or visiting guests. Based on manufacturer specifications and verified user feedback, eufy electronic locks mount easily onto standard 2-3/8 inch or 2-3/4 inch backset preps without requiring extra drilling. With sturdy BHMA Grade ratings, rapid biometric scanning, and built-in Wi-Fi bridges, these digital locks deliver robust exterior protection and daily peace of mind right out of the box.

Award Product SSG Score About SSG ScoreThe SSG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more ›
Best Overall eufy Security Smart Lock C220 eufy Security Smart Lock C220 9.2/10 Buy
Best Premium eufy Security Video Smart Lock E40 eufy Security Video Smart Lock E40 9.2/10 Buy
Best Budget eufy Security Smart Lock FamiLock C32 eufy Security Smart Lock FamiLock C32 9.1/10 Buy
Best Value eufy Security Video Smart Lock E330 eufy Security Video Smart Lock E330 9.1/10 Buy
eufy Security Video Smart Lock FamiLock S3 Max eufy Security Video Smart Lock FamiLock S3 Max 9.1/10 Buy
eufy Security Smart Lock C220 eufy Security Smart Lock C220 8.6/10 Buy
eufy Security Smart Lock C33 eufy Security Smart Lock C33 8.0/10 Buy
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eufy Security Smart Lock C220
Best Overall

eufy Security Smart Lock C220

eufy Security · 9.2/10 SSG Score About SSG ScoreThe SSG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more ›

2
eufy Security Video Smart Lock E40
Best Premium

eufy Security Video Smart Lock E40

eufy Security · 9.2/10 SSG Score About SSG ScoreThe SSG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more ›

3
eufy Security Smart Lock FamiLock C32
Best Budget

eufy Security Smart Lock FamiLock C32

eufy Security · 9.1/10 SSG Score About SSG ScoreThe SSG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more ›

4
eufy Security Video Smart Lock E330
Best Value

eufy Security Video Smart Lock E330

eufy Security · 9.1/10 SSG Score About SSG ScoreThe SSG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more ›

5
eufy Security Video Smart Lock FamiLock S3 Max

eufy Security Video Smart Lock FamiLock S3 Max

eufy Security · 9.1/10 SSG Score About SSG ScoreThe SSG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more ›

6
eufy Security Smart Lock C220

eufy Security Smart Lock C220

eufy Security · 8.6/10 SSG Score About SSG ScoreThe SSG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more ›

7
eufy Security Smart Lock C33

eufy Security Smart Lock C33

eufy Security · 8.0/10 SSG Score About SSG ScoreThe SSG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more ›

FAQs

Can a eufy smart lock connect to both 2.4 GHz and 5 GHz Wi-Fi networks?

No, most eufy smart deadbolts connect exclusively to 2.4 GHz Wi-Fi frequencies for extended wireless range through exterior walls. While setting up the best dual band eufy smart lock configuration, note that modern dual-band mesh routers broadcast both 2.4 GHz and 5 GHz bands under a single network name. The lock automatically binds to the 2.4 GHz channel during setup, providing stable remote app management and real-time locking alerts without requiring a dedicated external bridge.

How do you unlock the door if the smart deadbolt battery dies completely?

You can use a physical key override or connect an external power source to the emergency jump port. Models like the eufy Security Smart Lock C220 include traditional physical brass keys alongside emergency power inputs on the exterior escutcheon. Connecting a portable power bank via USB-C or placing a battery against the exterior jump terminals temporarily revives the keypad and biometric fingerprint scanner so you never face a lockout.

Will these electronic deadbolts fit standard US residential doors?

Yes, they fit standard US exterior doors with a backset of either 2-3/8 inches or 2-3/4 inches. Most eufy deadbolts support door thicknesses between 1-3/8 inches and 1-3/4 inches and fit borehole diameters up to 54mm. Installation takes roughly 15 minutes with a standard Phillips screwdriver, and the adjustable latch mechanism aligns cleanly with your existing door jamb strike plate without additional drilling.

Can eufy smart locks integrate with smart video doorbells?

Yes, eufy smart locks connect seamlessly with other ecosystem devices through the eufy Security app. If your home uses best wireless video doorbells, you can link door entry routines together, letting you check video feeds and unlock the latch from a unified interface. Select video smart lock models even combine a 2K HD camera, two-way intercom, and biometric deadbolt into a single front-door unit.

How reliable are biometric fingerprint scanners during cold winter weather?

Biometric fingerprint sensors on eufy locks function reliably across temperatures ranging from -22 degrees to 158 degrees Fahrenheit. Built-in self-learning AI algorithms update your fingerprint profile with every scan, improving recognition accuracy over time even if your skin is slightly chilled. Exterior keypad modules carry IP53 to IP65 weather-resistance ratings to prevent rain, sleet, or frost from interfering with the optical sensor.

What is the best dual band eufy smart lock option for rental hosts in 2026?

The eufy Security Video Smart Lock E40 and Smart Lock C220 stand out for rental hosts in 2026 due to their flexible guest access scheduling. Hosts can issue customized alphanumeric PIN codes, set specific entry timeframes, and view detailed event history logs straight from the mobile app. With local video storage options and zero mandatory monthly cloud fees, these deadbolts streamline guest turnover while preserving owner margins.

About the author

John Carlsen
John Carlsen

John Carlsen is a home security and smart home specialist with more than a decade of experience researching and testing security technology. His expertise covers DIY security systems, security cameras, smart devices, pricing, contracts, and connected-home technology. He combines hands-on product testing with detailed research to explain strengths, limitations, ownership costs, and real-world value in straightforward terms for homeowners and renters.