Fingerprint Smart Deadbolt with Keypad – Keyless Entry Lock for Home, Apartment, Office, Airbnb, Rental, Kids & Seniors, App & Code Access, Auto-Lock, Easy DIY Install, Compatible with Alexa & Google
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AI Verdict
This is an entry-level deadbolt with biometric, keypad, app, fob, and key access, best for rentals or homes needing flexible entry without full smart home integration out of the box.
This Sifely deadbolt is a situational fit, offering a wide array of entry methods like fingerprint, keypad, and app, which is great for flexible access needs. However, its advertised Wi-Fi and smart home compatibility are gated behind a separately purchased gateway, making it less of a direct smart home solution than it appears.
If you need seamless, direct Wi-Fi remote control and smart home integration without extra hardware, look for locks with built-in Wi-Fi that don't require a separate bridge or gateway.
Regret Score™
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Pros
- Unlocks via fingerprint, keypad, app, fob, or physical key, storing 100+ fingerprints and 100+ codes for varied access needs.
- Installs in minutes with a Phillips screwdriver, fitting most standard doors without extra drilling.
- Features auto-lock with flexible timer options from 5 to 999 seconds, and low battery alerts.
- Fingerprint reader recognizes prints in under 0.3 seconds in ideal conditions, offering quick entry.
- Offers a micro-USB emergency port for temporary power if batteries drain completely.
- The app allows remote management of codes, logs, and eKeys when paired with a separately sold gateway.
Cons
- Full remote access and smart speaker compatibility (Alexa/Google) require a separately purchased Sifely Gateway.
- Fingerprint recognition can be inconsistent with wet or dirty fingers, sometimes requiring multiple attempts.
- Weather resistance is limited; performance may degrade in heavy rain, extreme cold, or humid conditions.
- Google Assistant voice control may require a PIN for every command, preventing seamless automation.
- Some users report occasional issues with the lock's deadbolt mechanism getting stuck or reporting as stuck.
Dimension Scores
The fingerprint reader is fast, recognizing prints in under 0.3 seconds in ideal conditions, but users report occasional inconsistencies with wet or dirty fingers.
It has Bluetooth for local app control, but remote access and smart speaker integration require a separately purchased Wi-Fi Gateway, limiting out-of-the-box range.
The app is user-friendly for managing codes and logs, and it integrates with Alexa/Google via a gateway, though Google Assistant may require a PIN for each command.
Constructed from aluminum and zinc, it feels heavy-duty, but its weather resistance is compromised in heavy rain, extreme cold, or high humidity.
Best For
- Rental properties or Airbnbs needing temporary code and fingerprint management for multiple guests.
- Families with kids or seniors who benefit from multiple entry methods including fingerprint and fob.
- Users seeking a DIY-friendly smart lock installation without needing a locksmith.
- Homes in sheltered locations (e.g., under a porch) where the lock is protected from direct weather exposure.
Not Recommended For
- Users expecting direct Wi-Fi remote control and smart home integration without an additional gateway purchase.
- Properties in locations with frequent heavy rain, extreme cold, or high humidity directly impacting the lock.
- Anyone prioritizing seamless voice automation with Google Assistant without entering a PIN each time.
Watch Out For
- The product's Wi-Fi connectivity is not for remote control; a separate Sifely Gateway is required for remote app access and smart speaker integration, which is an extra cost.
- Fingerprint reader sometimes needs a second attempt for recognition, especially if fingers are wet or dirty.
- Battery life, while generally long, can drain faster in cold conditions, increasing by about 15%.
- Some users experienced the deadbolt reporting as stuck or actually getting stuck, even when not physically obstructed.
- Airbnb integration has been reported to occasionally fail, requiring manual code creation or remote unlocking.
Full Specifications
| ASIN | B0DN1BCKKH |
| Size | Deadbolt |
| Brand | Sifely |
| Color | Silver |
| Shape | Rectangular |
| Style | Fingerprint |
| Finish | Satin Nickel |
| Material | Aluminum, Zinc |
| Lock Type | Biometric, Combination Lock, Deadbolt, Keypad |
| Model Name | Sifely Model O Deadbolt |
| Finish Type | Satin Nickel |
| Item Weight | 2 pounds |
| Part Number | Model O Smart Lock |
| Manufacturer | Sifely |
| Control Method | App, Remote, Touch, Voice |
| Controller Type | App Control, Keypad, Fingerprint, FOB, Code, Voice Control (via Alexa & Google), Amazon Alexa, Google Assistant, iOS, iPadOS, Android, Hand Control, Touch |
| Special Feature | Auto-Lock, Back-Lit Keypad, Fingerprint, Fob Unlock, Heat Resistant, One-Touch Lock, Passcode Unlock, Resettable, Weather Resistant |
| Number of Pieces | 14 |
| Special Features | Auto-Lock, Back-Lit Keypad, Fingerprint, Fob Unlock, Heat Resistant, One-Touch Lock, Passcode Unlock, Resettable, Weather Resistant |
| Item model number | Sifely Model O Deadbolt |
| Product Dimensions | 6.3 x 2.6 x 1.9 inches |
| Batteries Included? | No |
| Batteries Required? | Yes |
| Included Components | Front Panel, Back Panel, Mounting Plate, Manuals, Installation Screws, 2 Keys, 2 Cards |
| Connectivity Protocol | Bluetooth, Wi-Fi |
| Item Package Quantity | 1 |
| Smart Home Compatibility | Smart Home Compatible |
| Item dimensions L x W x H | 6.3 x 2.6 x 1.9 inches |
| Recommended Uses For Product | Front door, Home, Apartment, Airbnb, Rental property, Kids room, Seniors’ home, Office entry, Vacation home, Basement door |
What Buyers Say
Many users find the Sifely smart deadbolt a convenient option for its multiple unlocking methods, especially the fingerprint reader and keypad. The DIY installation is a big plus, often completed quickly with basic tools. However, a recurring point of confusion and frustration is the need for a separate Sifely Gateway to enable true remote control and smart home voice commands, which isn't always clear upfront. While the fingerprint sensor is generally fast, some report it can be finicky with wet hands or in harsh weather, sometimes needing a second try.
“Look, it's pretty easy to put in and having the fingerprint is awesome when it works, but seriously, why do I need to buy another box just to unlock it from my couch? And my wet thumb never works.”
Common Praise
- Multiple unlocking options (fingerprint, keypad, app, fob, key) provide high flexibility for users.
- Installation is straightforward and can be done by a DIYer with just a screwdriver.
- The app is intuitive for managing access codes and monitoring lock activity.
- The fingerprint reader is quick and responsive under optimal conditions.
- Long battery life, often lasting up to a year, with useful low battery alerts.
- The lock feels sturdy and well-built for its price point.
Common Complaints
- Remote access and smart speaker integration require an additional Sifely Gateway purchase.
- Fingerprint recognition can be inconsistent, especially with wet or dirty fingers, requiring multiple attempts.
- Weather resistance is not robust enough for direct exposure to heavy rain or extreme cold, affecting performance.
- Google Assistant voice commands often require a PIN, limiting automation convenience.
- Some users experienced the deadbolt getting stuck or reporting false 'stuck' errors.
- Airbnb integration has had occasional failures, leading to guests being unable to use codes.
Ownership Tips
- The 'Wi-Fi' mentioned in specs is for the gateway, not direct remote control from the lock itself.
- You'll quickly learn which finger or thumb works best for the fingerprint reader and might need to re-scan often.
- The auto-lock feature is a lifesaver for peace of mind, but adjust the timer carefully to avoid locking yourself out while doing yard work.
- Keep spare AA batteries handy, even with the low battery alerts, because the emergency micro-USB port is for temporary power, not charging.
- If using for Airbnb, always have backup codes or a physical key plan, as the integration can be finicky.
Frequently Asked Questions
Does this lock work with Alexa or Google Assistant?
Yes, it is compatible with Alexa and Google Assistant, but you need to purchase the Sifely Gateway separately for voice control functionality.
Is a Sifely Gateway required for remote access?
Yes, for remote access to manage codes, check logs, or unlock the door from anywhere, the Sifely Gateway must be purchased separately.
How many fingerprints and codes can it store?
The lock can store over 100 fingerprints and 100 codes, making it suitable for multiple users or rental properties.
How easy is the installation?
Installation is designed to be DIY-friendly, often taking minutes with just a Phillips screwdriver and no extra drilling for most standard doors.
What happens if the batteries die?
The lock provides low battery alerts, and if the batteries completely drain, you can use a physical key or power it temporarily via a micro-USB emergency port.
Buying Guide
When you're looking at smart deadbolts, think about how you actually want to use it every day. Do you want to ditch keys completely? Do you need to let people in remotely? The biggest thing is understanding that 'smart' doesn't always mean 'fully connected' right out of the box. Many locks, especially in this price range, need an extra piece of hardware to get all the fancy remote features.
Connectivity (Bluetooth, Wi-Fi)
Bluetooth lets your phone talk to the lock when you're nearby, like within your house. Wi-Fi (often via a gateway) lets you control it from anywhere in the world, like checking if your door is locked while you're on vacation. Without Wi-Fi, it's just a 'smarter' lock, not a 'remote' lock.
Lock Type (Biometric, Keypad, Deadbolt)
This tells you how you can get in. Biometric means fingerprint, Keypad means a code, and Deadbolt means it's a strong, secure lock that goes deep into the door frame. More options mean more convenience and backup ways to enter.
Special Feature (Auto-Lock, Fingerprint, Weather Resistant)
These are the extra perks. Auto-Lock means it locks itself after a set time, so you never forget. Fingerprint is super fast entry. Weather Resistant means it can handle some outdoor elements, but don't expect it to survive a hurricane without a covered entryway.
Alternatives
If this lock doesn't fit, look for models with 'built-in Wi-Fi' for direct remote control without a separate gateway, or those specifically rated for 'extreme weather conditions' if your door is fully exposed.
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