
Built-in WiFi Fingerprint Smart Door Lock with Handle & Keypad – Remote Access & Auto-Lock, Keyless Entry for Home, Airbnb & Rental, 6-in-1 Unlock: Code/Card/App/Key, Compatible with Alexa & Google
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AI Verdict
This Sifely smart lock offers 6-in-1 keyless entry with built-in WiFi, fingerprint, and keypad, making it suitable for rental property access management.
This lock is a situational fit because its 6-in-1 entry and built-in WiFi offer extensive convenience for managing access, especially for rental properties with many users. However, reported inconsistencies with fingerprint recognition and potential connectivity issues suggest it might not be a seamless experience for all users, particularly those in high-traffic or outdoor settings where environmental factors could interfere with the fingerprint sensor.
If consistent, instant fingerprint recognition in all conditions is critical, look for models with advanced biometric sensors designed for outdoor resilience.
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Pros
- Features 6-in-1 keyless entry options including fingerprint, keypad code, RFID card, app, physical key, and voice commands via Alexa & Google.
- Built-in WiFi allows remote access, real-time status viewing, and eKey sharing without needing an additional gateway.
- Stores up to 200 codes and 100 fingerprints, enabling extensive user management for rentals.
- Includes a Type-C emergency power port to prevent lockouts even with dead batteries.
- Constructed from durable zinc alloy for the handle and deadbolt knob.
- DIY installation is designed for standard US doors 1-3/8" to 2-1/4" thick with 2-3/8" or 2-3/4" backset.
Cons
- Fingerprint recognition can be inconsistent with wet or dirty fingers, sometimes requiring multiple attempts.
- Users report issues with the lock not connecting to the app or losing Wi-Fi connection, requiring restarts or network checks.
- The physical keyhole is hidden under the front panel handle, requiring a screwdriver to access in an emergency.
- The keypad may stop working due to low batteries, dirt, or physical damage.
- Some unlocking issues have been reported due to improper installation, such as incorrect spindle positioning or thin doors (1 3/8 inches) in previous manufacturing runs.
Dimension Scores
The fingerprint sensor works quickly in ideal conditions but can be inconsistent with wet or dirty fingers, sometimes requiring multiple attempts.
Built-in WiFi offers remote access, but users have reported issues with app connection and losing Wi-Fi stability, requiring troubleshooting.
The app allows remote control, real-time status, eKey sharing, and management of 200 codes and 100 fingerprints, with Alexa and Google compatibility.
Constructed from durable zinc alloy and described as weather-resistant, though outdoor environmental factors can affect fingerprint performance.
Best For
- Airbnb hosts needing to manage access for multiple guests with temporary codes and remote monitoring.
- Homeowners seeking diverse keyless entry methods including fingerprint and voice control.
- Rental properties requiring a system to store up to 200 codes and 100 fingerprints for various users.
- Users who prioritize a smart lock with a Type-C emergency power backup to avoid being locked out.
Not Recommended For
- Individuals in environments where hands are frequently wet or dirty, potentially hindering fingerprint scanner reliability.
- Users who prefer immediate, easy access to a physical keyhole without tools in an emergency.
- Those with doors at the thinner end of the 1-3/8" specification, as some older models had unlocking issues.
Watch Out For
- The fingerprint scanner may require multiple attempts if fingers are wet or dirty, impacting quick entry.
- Connectivity issues with the app or Wi-Fi can occur, sometimes requiring device restarts or network troubleshooting.
- Accessing the physical keyhole requires removing the front panel handle with a screwdriver, which is not convenient for emergency situations.
- Keypad functionality can be compromised by low battery levels, even if the keypad lights up.
- Improper installation, such as incorrect spindle positioning, can lead to the lock not fully engaging or disengaging.
Full Specifications
| ASIN | B0DYN249DW |
| Size | Handle, Knob, Deadbolt |
| Brand | Sifely |
| Color | Silver |
| Shape | Oval |
| Style | Built-in Wi-Fi Deadbolt Handle Knob |
| Material | Zinc |
| Lock Type | Biometric, Combination Lock, Deadbolt, Keypad, Handle, Knob, Built-in Wi-Fi |
| Model Name | Sifely S Model WiFi |
| Item Weight | 3.54 pounds |
| Manufacturer | Sifely |
| Control Method | App, Remote, Touch, Voice |
| Controller Type | App Control, Voice Control, Keypad, Key, Card, iOS, Android, iPadOS, Amazon Alexa, Google Assistant, Mechanical Dial, Mechanical Knob, Touch |
| Special Feature | Anti-Peeping Password, Auto-Lock, Back-Lit Keypad, Battery Indicator, Break-in Detection, One-Touch Lock, Resettable, Weather Resistant Scratch-Resistant, Touchscreen, Fingerprint, Fob Unlock, Passcode Unlock, Key Unlock |
| Number of Pieces | 16 |
| Special Features | Anti-Peeping Password, Auto-Lock, Back-Lit Keypad, Battery Indicator, Break-in Detection, One-Touch Lock, Resettable, Weather Resistant Scratch-Resistant, Touchscreen, Fingerprint, Fob Unlock, Passcode Unlock, Key Unlock |
| Item model number | Sifely S Model WiFi |
| Product Dimensions | 7 x 3 x 1.12 inches |
| Batteries Included? | No |
| Batteries Required? | Yes |
| Included Components | Mounting Plate, Rubber Gasket, Face Plate, Back Plate, Bolt Assembly |
| Connectivity Protocol | Built-in WiFi, Bluetooth |
| Item dimensions L x W x H | 7 x 3 x 1.12 inches |
| Recommended Uses For Product | Front door, Back door, Home, Apartment, Airbnb, Rental property, Office, Garage entry |
What Buyers Say
Users frequently highlight the convenience of the 6-in-1 unlocking methods, especially the fingerprint and app control, for managing access in homes and rentals. However, a recurring theme in user feedback points to occasional inconsistencies with the fingerprint reader, particularly if fingers are not perfectly clean or dry. Connectivity to the app and Wi-Fi can also be a point of frustration, with some users needing to restart devices or check network stability to resolve issues. The hidden nature of the physical keyhole, requiring a screwdriver for access, is a design choice that some find inconvenient for emergencies.
“Look, it's got all the ways to get in, which is cool for my Airbnb, but that fingerprint thing? Forget it if your hands aren't bone dry. And sometimes the app just decides it's not talking to the lock. Annoying.”
Common Praise
- The 6-in-1 unlocking methods provide extensive convenience for various users.
- Built-in WiFi allows remote access and monitoring without an extra gateway.
- The Type-C emergency power port is a practical solution for dead batteries.
- The ability to store 200 codes and 100 fingerprints simplifies user management for rental properties.
- The zinc alloy construction feels durable.
Common Complaints
- Fingerprint recognition can be unreliable with wet or dirty fingers.
- Connectivity issues with the app and Wi-Fi are reported, sometimes requiring troubleshooting.
- The physical keyhole is difficult to access, requiring tools to remove the handle.
- Keypad may malfunction due to low battery levels or physical damage.
- Some unlocking problems stem from improper installation or specific door thicknesses.
Ownership Tips
- The fingerprint sensor's performance degrades noticeably in outdoor conditions or with even slightly moist hands.
- You might need to periodically restart your router or the lock itself to maintain consistent app connectivity.
- Always keep a portable power bank handy for the Type-C backup, as relying solely on the hidden physical key is impractical.
- The auto-lock feature is customizable, which is a relief if you're constantly in and out.
- The voice prompts during programming and use are a helpful confirmation, but can be surprising initially.
Frequently Asked Questions
Does this lock require a separate gateway for remote access or voice control?
No, this lock features built-in WiFi, allowing remote access and compatibility with Alexa and Google voice commands without an additional gateway.
What happens if the batteries die?
The lock has a Type-C emergency power port, so you can power it with a portable charger to gain entry even if the batteries are completely dead.
How many fingerprints and codes can it store?
It can store up to 200 unique codes and 100 fingerprints, making it suitable for managing access for many individuals.
Is the installation process difficult?
The lock is designed for easy DIY installation on most standard US doors, fitting thicknesses from 1-3/8" to 2-1/4" and backsets of 2-3/8" or 2-3/4".
Can I disable the auto-lock feature?
Yes, the auto-lock feature can be disabled if it doesn't suit your needs.
Buying Guide
When you're looking at smart locks, think about how you actually want to get into your house most of the time. Do you want to just touch it and go, or are you okay with punching in a code? Also, consider your door's thickness and how much tech troubleshooting you're willing to do. Built-in WiFi is a big plus for remote control, but it's only as good as your home network.
6-in-1 Keyless Entry
This means you have six different ways to unlock your door (fingerprint, code, card, app, key, voice). It's like having multiple backup plans, so if one method isn't convenient, another one probably is.
Built-in WiFi
This is crucial for remote access. It lets you lock or unlock your door from your phone anywhere, check if it's locked, and even give temporary access to others without needing to buy extra equipment like a separate hub.
Type-C Emergency Power Port
Imagine your lock batteries die. This port lets you plug in a standard USB-C power bank, like the one for your phone, to temporarily power the lock and get inside. It's a lifesaver if you don't have your physical key or if it's hard to access.
Material: Zinc Alloy
This tells you what the lock is made of. Zinc alloy is a common, durable metal for door hardware, offering a balance of strength and cost. It means the lock should feel substantial and resist wear.
Alternatives
If you need more consistent fingerprint accuracy in all weather conditions, look for models with advanced biometric sensors. If you want a more accessible physical key backup, search for locks with easily exposed keyholes.



