Smart Fingerprint Padlock – Tuya App, RFID, Password & Key
Asia-Teco Smart Fingerprint Padlock (Model LD911)
Upgrade your security with the Asia-Teco LD911 Smart Fingerprint Padlock — a compact, feature-packed lock designed for dormitory rooms, lockers, drawers, cabinets, and more. With five versatile unlocking methods — fingerprint, password, RFID card, mechanical key, and Bluetooth via the Tuya app — you'll never be locked out again. Built from durable aluminum alloy and 304 stainless steel, this mini padlock delivers robust protection in a sleek, modern form factor. Made in Mainland China.
5 Ways to Unlock
- 🔑 Fingerprint: Stores up to 50 unique fingerprints for instant biometric access
- 🔢 Password: Supports up to 100 custom PIN codes
- 💳 RFID Card: Compatible with up to 250 cards
- 🗝️ Mechanical Key: Backup emergency key included
- 📱 Bluetooth / Tuya App: Unlock and manage remotely via the Tuya smart home app
Key Features
- Supports up to 300 total users — ideal for shared spaces and family use
- Tuya Smart Home platform integration — manage access, view logs, and add/remove users from your phone
- Optional Bluetooth Gateway for remote control beyond Bluetooth range
- Low voltage alert: After fingerprint verification, a green light flashes once followed by a red light flash to indicate a low battery warning
- Type-C emergency charging — never get locked out due to a dead battery
- Built-in rechargeable battery — no AA/AAA batteries to replace
- Punch-free installation — no drilling or permanent modifications needed
- Wide operating temperature range: -20°C to 75°C — suitable for indoor and outdoor environments
Technical Specifications
| Model | LD911 |
| Brand | Asia-Teco |
| Working Voltage | 4.2V |
| Maximum Current | <100mA |
| Standby Current | <40µA |
| Fingerprint Capacity | 50 |
| Password Capacity | 100 |
| RFID Card Capacity | 250 |
| Total User Capacity | 300 |
| Material | Aluminum Alloy + 304 Stainless Steel |
| Connectivity | Bluetooth |
| Emergency Power | Type-C USB |
| Operating Temperature | -20°C to 75°C |
| Storage Temperature | -40°C to 85°C |
| Origin | Made in Mainland China |
Perfect For
- Dormitory rooms and student lockers
- Gym and club lockers
- Home drawers, cabinets, and filing boxes
- Storage sheds and small gates
- Office supply cabinets
Learn More About Smart Home Security
For consumer guidance on smart home devices and security best practices, visit the FTC's guidance on Internet of Things security.
Frequently Asked Questions
Q: How many people can use this smart fingerprint padlock?
A: The Asia-Teco LD911 smart padlock supports a total of 300 users — up to 50 fingerprints, 100 passwords, and 250 RFID cards — making it ideal for shared environments like dormitories, offices, or gyms.
Q: What happens if the battery runs out?
A: The padlock features a Type-C emergency charging port so you can quickly charge the built-in battery and regain access. A low voltage alert (red light flash after fingerprint scan) will also warn you before the battery is fully depleted.
Q: Does this padlock require drilling or permanent installation?
A: No — the LD911 uses a punch-free installation method, meaning no drilling or permanent modifications are required. Simply attach it to your drawer, locker, or door hasp as needed.
Q: Can I control this lock remotely from my phone?
A: Yes! The padlock integrates with the Tuya Smart Home app via Bluetooth. For remote control beyond Bluetooth range, an optional Doodle Bluetooth Gateway can be added to enable true remote access and management from anywhere.
Q: Is the padlock weather-resistant enough for outdoor use?
A: The LD911 operates in temperatures from -20°C to 75°C and is constructed from aluminum alloy and 304 stainless steel for durability. While it can handle varied temperatures, it is primarily designed for light outdoor or indoor use — such as sheds and storage boxes — rather than heavy-duty fully exposed outdoor applications.