Harfo Smart Door Lock with Handle Set, Fingerprint Door

Product Overview

The Harfo Smart Door Lock with Handle Set redefines home security by combining cutting-edge technology with everyday convenience. Designed for modern living, this keyless entry system offers a seamless blend of fingerprint recognition, smartphone control, IC cards, passcodes, and physical keys—giving you multiple ways to secure your home without ever fumbling for traditional keys. Engineered specifically for American-standard doors, the lock fits both left- and right-handed installations and supports door thicknesses ranging from 35mm to 55mm (1 3/8 inch to 2 3/16 inch). Whether you’re upgrading your front entrance, back door, or apartment unit, the Harfo Smart Door Lock delivers peace of mind through intelligent access control.

One of the most compelling features is its integration into smart home ecosystems—when paired with the Harfo gateway (sold separately), users can unlock their door remotely via a dedicated app, receive real-time notifications, monitor entry logs, and even voice-control the lock using Alexa or Google Assistant. This level of connectivity ensures that whether you’re at work, on vacation, or simply heading out the door, managing access has never been easier or more secure.

Key Features

• Advanced App Control: Take full command of your lock through a sleek, intuitive mobile app. Add or revoke user access instantly, check detailed activity logs, and configure advanced settings—all from your phone. The web-based management portal further enhances flexibility, making it ideal for households, rental properties, or shared spaces where access permissions need frequent updates.
• Auto Lock & One Touch Lock: Never worry about accidentally leaving your door unlocked again. Set a custom auto-lock timer anywhere between 5 and 900 seconds, and the lock will automatically engage after that interval. For quick exits or manual locking, press the “#” button on the keypad for two seconds. This feature adds an extra layer of protection, especially in high-traffic areas like family homes or office buildings.
• Easy DIY Installation: No professional help required. The lock is designed for straightforward installation on standard American doors, with no electrical wiring needed. All necessary hardware, mounting tools, and step-by-step instructions are included, allowing most homeowners to complete setup in under 30 minutes. Just verify your door’s thickness falls within the 35–55mm range before purchasing.
• Smart Home Integration: When connected to the Harfo gateway (sold separately), the lock becomes part of your broader smart home network. Enjoy remote unlocking from anywhere, instant alerts whenever someone enters, and hands-free operation via voice commands through Alexa or Google Assistant. These capabilities transform routine tasks into effortless interactions, enhancing both safety and lifestyle convenience.
• Multiple Users & Advanced Functions: Accommodate up to 50 fingerprints, 250 numeric passcodes, and 1,000 IC cards—three cards come pre-included—ensuring ample room for family members, guests, cleaners, or renters. Additional security modes include anti-peeping keypads (to thwart shoulder surfers), privacy mode (for times when you don’t want to be disturbed), passage mode (allows temporary access without disabling the entire lock), silent mode (minimizes audible clicks during use), and protection against repeated incorrect password attempts. An emergency power port also allows temporary battery charging via USB during extended outages.

Technical Specifications

• Supported Access Methods: Fingerprint, Smartphone App, IC Card, Numeric Passcode, eKey Sharing, Admin Authorization, Physical Keys (2 included), Thumb Turn
• Door Compatibility: American standard, compatible with left- or right-handed doors
• Door Thickness Range: 35mm to 55mm (1 3/8 inch to 2 3/16 inch)
• Fingerprint Recognition Capacity: Up to 50 unique users
• Passcode Capacity: Up to 250 customizable codes
• IC Card Capacity: Up to 1,000 cards (3 starter cards included)
• Auto-Lock Timer: Adjustable from 5 to 900 seconds
• Emergency Power Port: Micro-USB input for temporary external power supply
• Security Modes: Silent Mode, Privacy Mode, Passage Mode, Anti-Peeping Keypad, Anti-Wrong Password Protection

Benefits & Use Cases

Ideal for tech-savvy homeowners, busy families, or property managers, the Harfo Smart Door Lock eliminates reliance on physical keys while maintaining robust security standards. Forget about lost keys or duplicate copies; instead, grant temporary digital access to houseguests, service providers, or short-term renters through secure passcodes or shared eKeys. Real-time logging tracks every entry attempt—valuable insight for monitoring patterns or investigating suspicious activity.

For Airbnb hosts or rental owners, the ability to instantly issue and revoke access remotely streamlines guest turnover and reduces risk. Voice control integration means you can lock your door while carrying groceries, hands-free, without needing to touch your phone. Even during power interruptions, the emergency USB port ensures you won’t get locked out—just plug in a portable charger or power bank temporarily.

The lock’s aesthetic design complements modern interiors, and its durable construction withstands daily wear. With support for hundreds of credentials and multiple fail-safe mechanisms, it’s built to handle real-world demands. Whether securing a suburban home, urban apartment, or commercial entry point, the Harfo Smart Door Lock adapts to diverse needs without compromise.

Important Notes

Before installation, confirm your door meets the dimensional requirements: thickness must be between 35mm and 55mm. The Harfo gateway is essential for full functionality including remote access and voice commands—it is not included with the lock. While installation is intended to be DIY-friendly, some users have noted that initial setup can be challenging due to complex instructions; carefully following the provided guide and watching supplementary videos (if available) is strongly recommended. The package includes all necessary screws, mounting plates, keys, and batteries. Always test the lock thoroughly post-installation and keep the emergency power port accessible during prolonged outages. Security modes like anti-peeping passcodes and privacy settings help protect sensitive information but should be enabled based on personal preference and situational awareness.