• Advanced semiconductor fingerprint technology delivers fast, secure, and highly accurate biometric authentication.
• Unlock using fingerprint, smartphone app, password, IC card, or mechanical key for flexible access in any situation.
• Manage users, passwords, and access permissions through Bluetooth using the Tuya or TTLock mobile application.
• High-strength zinc alloy front and rear panels provide outstanding durability, corrosion resistance, and a premium finish.
• The sleek black glass capacitive touchscreen ensures smooth operation and accurate password input.
• A concealed Super Class B mechanical cylinder offers dependable emergency access while maintaining a clean, modern appearance.
• Supports up to 100 password groups and 100 M1 IC cards, making access management efficient for families and property administrators.
• Perfect for homes, villas, apartments, hotels, offices, and rental properties requiring secure and intelligent access control.
| Model | JSL-D4 |
| Product Type | Smart Fingerprint Password Lock |
| Outer Lock Size | 159 × 69 × 16.5 mm |
| Front & Rear Panel Material | Zinc Alloy |
| Surface Finish | Fuel Injection |
| Lock Body Compatibility | Single Tongue |
| Door Thickness | 35–55 mm |
| Mechanical Cylinder | Super Class B Mechanical Lock |
| Communication | Bluetooth |
| Platform Compatibility | Tuya / TTLock |
| Power Supply | 4 × AA Alkaline Batteries |
| Low Voltage Alarm | 4.8V |
| Standby Current | 60μA |
| Operating Current | <200mA |
| Unlock Time | ≈1.5 Seconds |
| Keypad Type | Capacitive Touch Key |
| Password Capacity | 100 Groups (Supports Dynamic Passwords) |
| Card Type | M1 Card |
| IC Card Capacity | 100 Cards |
| Unlock Methods | Fingerprint, App, Password, IC Card, Mechanical Key |
| Operating Temperature | -20°C to +60°C |