Harfo Smart Door Lock with Handle Set, Fingerprint Door

Product Overview

The Harfo Smart Door Lock with Handle Set transforms your home entry points into a secure, modern, and user-friendly system. Designed to replace traditional deadbolts, this intelligent lock integrates biometric scanning, digital keypad access, smartphone control via Bluetooth, and automatic locking—all within a sleek, matte black finish that complements contemporary door designs. Whether you’re upgrading from a mechanical lock or installing a new smart security solution, the Harfo Smart Door Lock offers a reliable blend of convenience and protection. Ideal for front doors, back entrances, or interior rooms where access control matters, it supports multiple authentication methods so family members, guests, or service providers can enter safely and efficiently.

Key Features

• Advanced Fingerprint Recognition: Unlock your door instantly with a registered fingerprint. The system supports up to 100 unique fingerprints, making it easy to assign access to family members or trusted individuals while keeping unauthorized users out.
• Digital Touchscreen Keypad: Enter a personalized PIN code through a responsive, anti-scratch touchscreen interface. You can create up to 100 different codes, ideal for granting temporary access to visitors, housekeepers, or delivery drivers without sharing physical keys.
• Bluetooth App Control: Manage your lock remotely using the dedicated mobile app. Within Bluetooth range, you can unlock the door, view access logs, generate temporary codes, and receive real-time notifications about entry attempts—perfect for monitoring when children arrive home or checking if deliveries were left at the door.
• Automatic Locking Mechanism: After a preset delay, the door secures itself, reducing the risk of accidentally leaving it unlocked. This feature adds an extra layer of safety during busy mornings or when distracted.
• Reinforced Deadbolt Design: Beyond its electronic features, the lock includes a heavy-duty steel deadbolt that resists forced entry and prying, providing physical security even if the power fails.
• Integrated Handle Set: Comes as a complete handle assembly, replacing standard door handles for a seamless, modern appearance. The ergonomic design ensures smooth operation while maintaining full mechanical functionality.

Technical Specifications

• Power Source: Powered by four AA alkaline batteries (not included), offering estimated battery life of 6–12 months depending on usage frequency.
• Biometric Capacity: Stores up to 100 fingerprints for quick, keyless access.
• PIN Code Support: Supports registration of up to 100 unique numeric codes.
• Operating Environment: Functions reliably in temperatures ranging from -20°C to 60°C (-4°F to 140°F).
• Build Material: Constructed from durable zinc alloy with an anti-scratch coating for long-lasting performance.
• Door Compatibility: Fits standard doors with thickness between 35–55mm and latch bolt diameter of 20mm; verify compatibility with your existing door prep before installation.
• Connectivity: Uses Bluetooth 4.0 technology for stable communication with compatible smartphones.
• Finish: Matte black exterior for a sleek, professional look.

Benefits & Use Cases

Homeowners value both security and ease of use, and the Harfo Smart Door Lock delivers on both fronts. Forget fumbling for keys or worrying about lost keychains—simply scan your finger or enter your code for instant access. This is especially helpful for parents who want their children to come and go safely, or for people who frequently receive packages and need flexible entry options. The ability to create temporary guest codes through the app means you never have to leave spare keys under the doormat again.

Families appreciate having individual codes assigned to each member, allowing parents to track who’s coming and going while giving kids independence after school. Service professionals like cleaners or repair technicians can be granted time-limited access without compromising overall home security. Even in emergencies, two mechanical keys are included as a backup, ensuring you’re never locked out due to dead batteries or technical glitches.

The auto-lock function enhances daily routine by automatically securing the door after a set period—no more second-guessing whether you remembered to lock up. Combined with the robust steel deadbolt, this creates a multi-layered defense against intruders. The integrated handle set not only improves aesthetics but also ensures smooth, reliable operation every time you open or close the door.

While the lock operates independently of Wi-Fi, its Bluetooth connectivity allows deep integration with your smartphone ecosystem. Receive alerts when someone enters, monitor access history, or remotely unlock the door for trusted individuals—even if they’re still on their way over. This level of control brings peace of mind, especially for busy households or those who travel often.

Important Notes

• Batteries must be replaced manually when depleted; no low-battery warning light is specified in the product details.
• Requires a compatible smartphone with Bluetooth capability to access app-based features such as remote control and activity logging.
• Professional installation is recommended to ensure proper fit, alignment, and secure mounting, particularly if replacing an existing lock.
• Verify door specifications (thickness and latch size) before purchasing to confirm compatibility with standard residential doors.
• The package includes: 1 x Smart Lock Unit, 1 x Handle Set, 2 x Mechanical Keys, Mounting Hardware, User Manual.
• No official water resistance rating is provided; avoid exposing the lock to rain, moisture, or extreme weather conditions to preserve functionality and longevity.
• Harfo emphasizes ongoing development of fingerprint lock technology and commits to delivering high-quality, high-performance smart security solutions.