
eufy FamiLock S3 Max
Score: 92/100
Lockin Veno Plus
Score: 88/100Rankings

The eufy Security FamiLock S3 Max is a 3-in-1 smart lock that integrates palm vein recognition, a 2K video doorbell, and a deadbolt into a single device. It utilizes infrared technology to unlock in under 0.1 seconds with 99.99999% accuracy, offering a contactless security solution that works for all ages and skin conditions. It is best suited for multi-generational households and high-security-conscious homeowners.

The Lockin Veno Plus is a smart deadbolt featuring Venokey palm vein recognition for 0.17-second unlocking and a 2K 180° panoramic camera with local storage. It offers multiple access methods including fingerprints and PINs, along with Matter compatibility and auto-locking capabilities for standard residential doors. It is ideal for tech-savvy homeowners seeking integrated video surveillance with keyless entry on standard front doors.
| Attribute | ![]() | ![]() |
|---|---|---|
6 hoursbest | 3 hours | |
— | 50 credentialsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Battery(2) | ||
Battery Life (hours) | 6-12 hours | 3 hours |
Battery Type | Rechargeable Lithium, AAA | Rechargeable Lithium-ion |
Connectivity & Smart Home(2) | ||
Connectivity Standards | Wi-Fi 6, Matter | Matter over Thread, Wi-Fi |
Voice Assistant Compatibility | Apple Home, Alexa, Google Assistant, SmartThings | Alexa, Google Home, Apple Home, SmartThings |
Durability & Environment(2) | ||
IP Rating | IP65 | IP54 |
Operating Temperature | -30°C to 70°C | -30°C |
Access & Security(3) | ||
Security Grade | ANSI/BHMA Grade 1 | BHMA Grade 3 |
Unlock Methods | Palm Vein, App, Voice, Password, Physical Keys | Palm Vein, Fingerprint, PIN, Mechanical Key, App, Voice |
Fingerprint Capacity (credentials) | credentials | 50 credentials |
Build & Design(1) | ||
Material | Frosted Tempered Glass | |


Products in the top-left offer the best value (high score, low price).

Professional reviewers highlight the device's age-independence as its primary benefit, noting that palm vein scanning remains reliable for users with damaged or changing skin where fingerprint readers fail. Reviewers praise the sub-0.1 second unlock speed and the high security level, describing the biometric data as nearly impossible to replicate or spoof.
There is insufficient consumer feedback data available to determine common praise or recurring complaints. The available sources are primarily manufacturer descriptions and a single professional video review, lacking extensive user testimonials.

Professional reviewers praise the Lockin Veno Plus for its advanced palm vein technology and integrated 2K camera, describing it as a safer, smarter entry upgrade. They highlight the value of subscription-free local storage and the effectiveness of dual motion sensors. While the fisheye effect is noted as a drawback, the device is recommended for users prioritizing video surveillance and keyless entry on standard doors.
Everyday users appreciate the fast palm vein unlocks and the convenience of auto-locking safety features. Common praise focuses on the reliability of multi-method access and the absence of monthly fees. Recurring complaints involve verification errors causing lockouts and the need for post-installation calibration, though users generally find the app alerts and storage options satisfactory.
“the device's biggest benefit is its age-independence—palm vein scanning doesn't degrade with age like fingerprint scanners”

“security is nearly impossible to fake due to unique vein patterns”

