Face Recognition Palm Vein Access Smart Locks Veno Solar Face Veno Solar Palm
Aug 3, 2026
Official Lockin

Lockin Veno Solar Palm vs Veno Solar Face: which palm vein vs face recognition path makes more sense?

For most homeowners and renters comparing Lockin Veno Solar Palm vs Veno Solar Face, the smarter choice is the one your household will actually feel comfortable using every day: Veno Solar Palm is the palm-based path with Venokey™ Palm Vein Unlock, while Veno Solar Face is the face-based path with 3D Face Recognition Unlock. Both sit in Lockin’s Veno Solar family and share the same solar-assisted positioning, so the decision is less about finding a universal winner and more about matching the unlock interaction, door location, and household habits to your real front-door routine.

Quick answer: choose by the unlock method your household will actually use

If you want the simplest decision rule, start here:

  • Choose Veno Solar Palm if you prefer intentionally presenting your palm to unlock the door.
  • Choose Veno Solar Face if you prefer a face-based interaction at the door.
  • Choose neither solely because of solar charging claims; both products still use a battery and should be evaluated with battery awareness, light exposure, and backup power in mind.

That last point matters. The Veno Solar family is described with ABX3™ Perovskite Solar Self-Charging, which can help reduce routine charging hassle when the lock receives available light. But solar-assisted charging is not battery-free operation. Nighttime, winter conditions, shade, cloudy weather, rainy days, and the physical placement of your door can all affect how much solar input the lock receives.

For a personal home, condo, apartment, or rental unit, the right question is practical: when you arrive at the door with groceries, kids, pets, a bag, or a phone in your hand, which interaction will feel more natural to you and the people who live with you? If the household likes a deliberate palm gesture, Veno Solar Palm may make more sense. If the household prefers face-based unlocking, Veno Solar Face may make more sense.

Veno Solar Palm Versus Veno Solar Face for Lockin Veno Solar Palm vs Veno Solar Face

What Veno Solar Palm and Veno Solar Face have in common

Before comparing palm vein recognition and face recognition, it helps to separate shared Veno Solar features from the feature that actually differs.

Based on supplied Lockin product facts, both Veno Solar Palm and Veno Solar Face are current public Lockin products in the Veno Solar family. Both are described with ABX3™ Perovskite Solar Self-Charging. Both list a 37Wh 7.4V 5000mAh battery and USB-C emergency power. Both also share several connected-lock features in the supplied facts, including 5 unlock methods, built-in Wi‑Fi with no hub, Matter compatibility with Apple Home, Alexa, Google Home, and SmartThings, and Auto-Lock.

The supplied product facts also list IP53, ANSI Grade 3, and an operating temperature range of -22°F to 158°F for both models. Because specifications, pricing, availability, and product-page language can change, homeowners and renters should verify the current official product pages before purchase, especially if outdoor exposure, local climate, or door compatibility is a major part of the decision.

Here is the conservative side-by-side view:

Main biometric path
Veno Solar Palm
Venokey™ Palm Vein Unlock
Veno Solar Face
3D Face Recognition Unlock
Interaction style
Veno Solar Palm
Present your palm to the lock
Veno Solar Face
Present your face to the lock
May fit better if
Veno Solar Palm
Your household prefers a palm-based, intentional unlock gesture
Veno Solar Face
Your household prefers a face-based unlock interaction
Shared solar positioning
Veno Solar Palm
ABX3™ Perovskite Solar Self-Charging
Veno Solar Face
ABX3™ Perovskite Solar Self-Charging
Battery reality
Veno Solar Palm
Uses a battery; listed with USB-C emergency power
Veno Solar Face
Uses a battery; listed with USB-C emergency power
Smart-home context from supplied facts
Veno Solar Palm
Built-in Wi‑Fi/no hub and Matter compatibility listed
Veno Solar Face
Built-in Wi‑Fi/no hub and Matter compatibility listed
Decision caution
Veno Solar Palm
Do not assume palm is universally better for every person
Veno Solar Face
Do not assume face recognition is universally better for every person

One additional point: Lockin also has a broader Veno line that includes palm vein products such as Veno Go Palm Vein Smart Lock, Veno Palm Vein Recognition Smart Lock, Veno Plus Palm Vein Recognition Video Smart Lock, and Veno Pro Palm Vein Recognition Video Smart Lock. Those models can provide context for Lockin’s Veno naming, but this article is focused on the two Veno Solar options: Veno Solar Palm and Veno Solar Face.

Palm vein recognition vs 3D face recognition: the practical difference

The core difference is the unlock method. Veno Solar Palm is the palm vein recognition route. Veno Solar Face is the 3D face recognition route.

Supplied Lockin product facts state that Veno Solar Palm includes Venokey™ Palm Vein Unlock 0.17s. For Veno Solar Face, supplied facts state 3D Face Recognition Unlock under 1s with over 99% accuracy and a stated user-height fit from 3 ft 11 in to 6 ft 7 in. These are product-specific facts provided for the two models, but they should not be expanded into unsupported claims about broader biometric superiority, privacy architecture, anti-spoofing methods, encryption, or data storage.

For a buyer, the everyday difference is not just technical. It is about how people approach the door:

  • With Veno Solar Palm, the unlock moment is palm-based. That may appeal to people who like making a clear, intentional gesture.
  • With Veno Solar Face, the unlock moment is face-based. That may appeal to people who prefer a recognition method centered on how they naturally face the door.
  • In a shared household, everyone who regularly uses the door should be comfortable with the chosen method.
  • For guests, caregivers, roommates, or family members, think about how often they will use the lock and what backup access method you expect them to rely on.

Avoid turning the comparison into “palm is more secure” or “face is more convenient” as a blanket statement. The supplied facts confirm which biometric paths the two products use; they do not support declaring one universally safer, more private, or better for every household.

A practical way to decide is to imagine three common moments:

  1. You come home carrying things. Would you rather present a palm or use a face-based interaction?
  2. Someone else in the household comes home daily. Which method would they be willing to use consistently?
  3. The door receives limited light. Are you prepared to monitor battery status and understand USB-C emergency power regardless of which biometric path you choose?

If the answer points clearly toward palm interaction, Veno Solar Palm is the more natural fit. If it points toward face interaction, Veno Solar Face is the more natural fit.

Solar-assisted charging: helpful, but not battery-free

Both Veno Solar Palm and Veno Solar Face are described with ABX3™ Perovskite Solar Self-Charging. That is a meaningful part of the Veno Solar positioning, but it should be understood accurately: solar-assisted charging helps with power maintenance when light is available; it does not remove the battery from the system.

Supplied product facts list a 37Wh 7.4V 5000mAh battery for both models and USB-C emergency power. That means buyers should treat solar as a charging aid, not as a reason to ignore power planning.

What happens without sunlight? Conservatively, the answer is: solar input depends on available light. A lock will not receive the same charging conditions at night as it may during the day. Winter daylight, shaded porches, covered entries, cloudy weather, rainy conditions, and the direction your door faces can all influence how much light reaches the lock. Supplied Lockin facts mention low-light charging on cloudy or rainy days, but that should not be read as a guarantee of a specific runtime under every real-world condition.

For homeowners and renters, the practical power checklist is simple:

  • Look at your door’s light exposure before choosing a Veno Solar model.
  • Do not assume a shaded entry will behave like a bright entry.
  • Pay attention to battery status and product alerts according to the current official instructions.
  • Know where the USB-C emergency power port is and how Lockin instructs owners to use it.
  • Keep a realistic backup access plan for moments when the battery is critically low.

This is especially important for rental units, side doors, covered porches, and doors that receive indirect light. Solar-assisted charging can reduce charging hassle where conditions support it, but responsible ownership still includes battery monitoring and familiarity with emergency power.

Palm Vein Versus Face Recognition for Lockin Veno Solar Palm vs Veno Solar Face

How to decide for your home, rental, or shared household

For a single homeowner, the decision may be personal preference: palm gesture or face interaction. For a household, it becomes a shared-use decision. The best model is the one the daily users will accept, remember, and use comfortably.

Consider these household scenarios:

  • If several people use the main door every day, ask each person which interaction feels more natural.
  • If you frequently carry groceries, packages, sports bags, or a child, think through what unlocking looks like in that moment.
  • If you have roommates, discuss whether everyone is comfortable with the same biometric method.
  • If guests or caregivers need access, confirm which non-biometric unlock methods are currently supported and how you want temporary or backup access handled.
  • If the door has limited light exposure, weigh the solar-assisted charging feature with extra care.

For renters, be especially cautious. Do not assume any smart lock is automatically approved for a rental unit. Before purchasing, check your lease, building rules, door hardware requirements, and whether installation changes are allowed. Also confirm whether the specific Veno Solar model fits your door and whether you can restore the original hardware if required. Those are practical pre-purchase checks, not legal advice.

A simple recommendation framework:

  • Veno Solar Palm may make more sense if you want a palm-based biometric interaction and like the idea of deliberately presenting your hand at the door.
  • Veno Solar Face may make more sense if you want a face-based biometric interaction and prefer that style for daily entry.
  • Either model may make sense if you value the shared Veno Solar feature set, including ABX3™ Perovskite Solar Self-Charging, built-in Wi‑Fi/no hub, Matter compatibility, Auto-Lock, and USB-C emergency power, based on the supplied product facts.
  • Neither model should be chosen without confirming current specs, installation fit, price, weather exposure suitability, and backup access details.

The most balanced answer is that Veno Solar Palm and Veno Solar Face are two different paths to the same broad goal: a Lockin Veno Solar smart lock experience with different biometric interactions.

Buyer checklist before choosing a Veno Solar model

Use this checklist before you buy, especially because product pages, prices, availability, and specifications can change.

  1. Confirm the current product page and model name.
    • Verify you are looking at Veno Solar Palm or Veno Solar Face, not a different Veno model.
    • Do not mix up the built-in Veno Solar approach with the Lockin Veno Series Solar Panel accessory, which is separate and tied to other Veno models in the supplied facts.
  2. Confirm the unlock method.
    • Veno Solar Palm: Venokey™ Palm Vein Unlock.
    • Veno Solar Face: 3D Face Recognition Unlock.
    • Ask which interaction your household will actually use.
  3. Confirm current price and package options.
    • Supplied official-site snapshot material listed pricing, but price and availability are date-sensitive.
    • Check the current Lockin product page before making a purchase decision.
  4. Confirm door and installation fit.
    • Check door compatibility, installation requirements, required tools, and whether any changes are allowed for your home or rental.
    • Renters should confirm permission before changing door hardware.
  5. Confirm weather and exposure needs.
    • Supplied facts list IP53 and an operating temperature range of -22°F to 158°F, but buyers should verify current ratings and consider their actual door location.
    • Covered, shaded, or highly exposed doors may create different real-world conditions.
  6. Confirm power and backup expectations.
    • Both models list a 37Wh 7.4V 5000mAh battery and USB-C emergency power in supplied facts.
    • Confirm the current instructions for low battery, alerts, and emergency power use.
  7. Confirm smart-home fit.
    • Supplied facts list built-in Wi‑Fi/no hub and Matter compatibility with Apple Home, Alexa, Google Home, and SmartThings.
    • Verify current compatibility, setup requirements, app requirements, and account requirements before purchase.
  8. Confirm what is not yet proven by public facts.
    • Do not assume specific biometric data handling, privacy architecture, anti-spoofing methods, warranty terms, return policy, installation time, or universal door fit unless the current official materials confirm them.

FAQ

What is the main difference between Veno Solar Palm and Veno Solar Face?

The main difference is the biometric unlock path. Veno Solar Palm uses Venokey™ Palm Vein Unlock, while Veno Solar Face uses 3D Face Recognition Unlock. Both are part of Lockin’s Veno Solar family and share solar-assisted positioning, so the decision should come down to which interaction your household prefers.

Is either model battery-free?

No. Both models use a battery, and supplied product facts list a 37Wh 7.4V 5000mAh battery for both Veno Solar Palm and Veno Solar Face. The ABX3™ Perovskite Solar Self-Charging feature can help reduce charging hassle when light is available, but buyers should still monitor battery status and understand backup power.

What happens at night or when there is no sunlight?

Solar input depends on available light. At night, during winter, on cloudy or rainy days, or on shaded doors, the amount of charging input may differ from brighter conditions. Supplied Lockin facts mention low-light charging on cloudy or rainy days, but homeowners and renters should not treat that as a guaranteed runtime claim for every installation.

What backup power option is listed for critically low battery situations?

Supplied product facts list USB-C emergency power for both Veno Solar Palm and Veno Solar Face. Before relying on it, buyers should review the current official Lockin instructions so they know where the port is, what power source is appropriate, and how to regain access if the battery is critically low.

Which model is better for a shared household?

The better model is the one the regular users are comfortable with. If the household prefers a palm-based interaction, Veno Solar Palm may be the better fit. If the household prefers face-based unlocking, Veno Solar Face may be the better fit. Avoid choosing based on a blanket assumption that one biometric method is universally better.

Is Veno Solar Palm more secure than Veno Solar Face?

The supplied facts confirm the biometric paths and selected product details, but they do not support a public claim that one model is inherently more secure than the other. If biometric privacy, anti-spoofing, encryption, or data storage is important to your purchase, confirm those details in current official Lockin materials.

Are these models suitable for renters?

They may be considered by renters, but renters should verify lease terms, building rules, door compatibility, and whether hardware changes are allowed before purchase. Do not assume any smart lock is automatically approved for a rental unit.

Do both models support smart-home platforms?

Supplied product facts list built-in Wi‑Fi with no hub and Matter compatibility with Apple Home, Alexa, Google Home, and SmartThings for both Veno Solar Palm and Veno Solar Face. Because compatibility and setup requirements can change, verify current product-page details before buying.

Should I choose Veno Solar Palm or Veno Solar Face?

Choose Veno Solar Palm if you prefer a palm-based unlock interaction. Choose Veno Solar Face if you prefer a face-based unlock interaction. For either model, confirm current pricing, door compatibility, weather exposure suitability, battery details, and USB-C emergency power instructions before purchase.

Contact Lockin to learn more about this solution.

Updated August 03, 2026