The SHARP A3B Smart Fingerprint Door Lock is a premium handle-type smart lock from SHARP, designed for modern homes, apartments, offices, and residential projects that require both convenience and advanced security. With advanced fingerprint recognition technology, multi-layer protection features, and a smart management system, SHARP A3B is an ideal solution for upgrading traditional doors into a safer and smarter access system.

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The SHARP A3B Smart Fingerprint Door Lock is designed to provide a comprehensive security solution for modern living spaces. Unlike traditional locks, the product combines biometric authentication technology with smart management features, helping users control access more conveniently and securely. The lock body is manufactured from high-quality aluminum alloy, providing excellent durability, impact resistance, and corrosion protection. The elegant wood grain finish creates a premium appearance that matches different interior styles, especially modern wooden doors. The product can store up to 50 fingerprints, 100 RFID cards, and 100 passwords, making it suitable not only for households but also for offices and spaces requiring multiple user management.

Premium Design and Durable Materials
The SHARP A3B Smart Fingerprint Door Lock features a sophisticated wood grain finish combined with a modern handle design, creating a luxurious appearance for residential and office spaces.The lock body is manufactured from premium aviation-grade aluminum alloy, providing strong durability, corrosion resistance, and stable operation under different environmental conditions. The surface design helps reduce fingerprints and sweat marks, keeping the product cleaner while maintaining its premium appearance. With its durable construction, SHARP A3B is designed to operate effectively in various weather conditions suitable for Vietnam.
Technical Specifications of SHARP A3B Smart Lock
| THÔNG SỐ | CHI TIẾT |
|---|---|
|
Product name |
SHARP A3B Smart Fingerprint Door Lock |
| Unlocking methods | Fingerprint, password, RFID card, mechanical key, WiFi App |
| Operation methods | Tuya Smart App, fingerprint, password, card, mechanical key |
| Color | Wood grain brown |
| Power source | 4 AA batteries |
| Material | Premium aviation-grade aluminum alloy |
| Size | 377 × 76 × 70 mm |
| Weight | Approximately 3.5kg |
| Fingerprint capacity | Up to 50 fingerprints |
| Password capacity | Up to 100 passwords |
| RFID card capacity | Up to 100 cards |
| Security features | Virtual password, intrusion alarm, low battery warning, private locking mode |
| Lock core | Stainless steel 304 anti-rust and anti-cut |
| Lock mechanism | 5-point locking system |
| Display interface | English language |
| Emergency power | USB backup power supply |
| Application |
|
Advanced Access Methods of SHARP A3B Smart Lock
The SHARP A3B Smart Lock provides various unlocking options, allowing users to access their home conveniently while maintaining strong security protection.
The available unlocking methods include:
- Fingerprint unlocking: Fast biometric authentication for daily access
- Password unlocking: Secure access without carrying physical keys
- RFID card access: Convenient for children, elderly users, or office environments
- Mechanical key: Backup solution for emergency situations
- WiFi App control: Remote access management through smartphone
By combining multiple authentication methods, SHARP A3B provides flexibility for different users and usage scenarios.

High-Speed Fingerprint Recognition Technology
The SHARP A3B Smart Lock is equipped with advanced semiconductor fingerprint recognition technology, allowing fast and accurate user identification. The fingerprint sensor supports 360-degree recognition, helping the lock identify fingerprints effectively without requiring a specific finger placement angle. With fast response speed and reliable recognition performance, the fingerprint system provides a smooth unlocking experience for everyday use, even in situations where hands are slightly wet or dusty.

Virtual Password Security Protection
The SHARP A3B Smart Lock integrates a virtual password function designed to enhance password security and prevent unauthorized access. Users can enter additional random numbers before or after the actual password, while the system still recognizes the correct password accurately. This helps prevent others from identifying the real password through observation during unlocking. Key advantages of the virtual password feature include:
- Preventing password exposure when someone is nearby
- Allowing flexible password input with additional random digits
- Enhancing privacy during daily use
- Providing safer access control for homes and offices
Multi-Layer Security Protection System
The SHARP A3B Smart Lock is equipped with multiple security technologies to improve protection against unauthorized access. Advanced security features include:
- Virtual password protection: Prevents password leakage through observation
- Intrusion alarm: Alerts users when abnormal impact or forced entry is detected
- Low battery warning: Provides early notification before battery depletion
- Wrong password protection: Automatically locks the system after multiple incorrect attempts
- Private locking mode: Prevents external unlocking when activated
The lock uses a 304 stainless steel lock core with a 5-point locking system, including multiple locking positions to improve durability and resistance against forced entry.

Sharp Smart Lock Supplier and Installation Service
Sharp Smart Home is a professional contractor specializing in supplying and installing genuine SHARP fingerprint smart locks for apartments, houses, villas, and high-end residential projects. With experience in smart security solutions, Sharp Smart Home provides professional consultation, door inspection, product recommendations, and installation services to ensure every SHARP smart lock operates accurately and effectively.
Sharp Smart Home is committed to providing:
- Genuine SHARP Smart Lock products
- Warranty up to 3 years
- 24/7 technical support
- Professional installation at customer location
- Free door inspection and consultation
- Free installation service in inner areas of Ho Chi Minh City
Upgrade your home security with genuine SHARP Smart Lock solutions today. Contact Sharp Smart Home via sharpsmarthome.vn or call hotline 0932 684 339 for consultation, free door inspection, and professional installation support.
The SHARP A3B Smart Fingerprint Door Lock combines modern design, advanced security technology, and convenient smart features to provide a safer and smarter access solution for homes and offices. With genuine SHARP Smart Lock products, professional installation, and reliable support, Sharp Smart Home is ready to help you choose the right security solution.
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