S4A-M10 Biometric Fingerprint Cabinet & Handle Knob Lock
S4A-M10, Handle Knob, Semiconductor Fingerprint, 100 Prints, Zinc Alloy, Class C Cylinder, Tuya App, 4x AAA
The S4A-M10 is a versatile biometric handle knob lock engineered for cabinets, filing drawers, lockers, and light interior office doors, featuring 100-fingerprint semiconductor recognition, Tuya mobile app, digital passcode, and Class C mechanical key.
Product Overview
Designed for discrete high-security locking of confidential filing cabinets, gun lockers, and executive office storage, the S4A-M10 replaces standard cabinet knobs with a heavy-duty zinc alloy biometric handle. Its integrated thumb scanner authenticates in under 0.5 seconds, while the concealed Class C cylinder ensures reliable physical key backup.
Why Buy This Product
Thumb-Tap Access
Turn your cabinet knob while scanning your thumb for natural, one-motion opening.
Class C Mechanical Defense
Includes an unpickable Class C cylinder for emergency access if power fails.
Tuya Smart Management
Add or revoke authorized fingerprints and share temporary digital guest access via app.
Best for These Applications
Office File Storage
Keep sensitive HR documents, legal contracts, and financial ledgers strictly locked.
Medical & Pharmacy Cabinets
Prevent unauthorized access to prescription medications and clinical equipment.
Key Advantages
- Heavy-Duty Zinc Construction:Substantially more durable and secure than lightweight plastic electronic cabinet locks.
- Type-C Emergency Power Port:Plug in any USB-C smartphone charger or power bank if batteries ever run completely flat.
Frequently Asked Questions
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Weight | 0.85 |
| Shipping Weight | 1.05 |
| Lock Type | keypad-cabinet |
| Installation Type | Surface Mounted Knob |
| Suitable Furniture | Filing Cabinets, Office Storage Lockers, Gun Cabinets, Wardrobes, Private Office Doors |
| Door Thickness Penetration | Fits 30-55 mm door and drawer panels |
| Unlock Methods | Fingerprint, Passcode, Tuya App, Mechanical Key |
| Fingerprint Capacity | 100 |
| Passcode Capacity | 50 |
| Latch Type | Spring Latch Bolt with Deadlocking Cam |
| Latch Material | Solid Stainless Steel & Zinc Alloy |
| Pull Force Resistance | Resists up to 150 kg force |
| Auto Lock Delay | Auto-relocking upon knob release |
| Low Battery Alarm | Yes |
| Wireless Protocol | Bluetooth BLE 5.0 / Tuya Gateway Compatible |
| App Support | Tuya Smart, Smart Life |
| Remote Unlock Support | Yes |
| Battery Type | 4x AAA Alkaline Batteries |
| Battery Life | 12 Months (approx. 10,000 unlocks) |
| Emergency Power Port | Type-C USB (5V) |
| Housing Material | High-Strength Die-Cast Zinc Alloy |
| Body Dimensions | Knob Diameter 58 mm, Height 65 mm |
| Operating Temp | -10°C to 55°C |
| Operating Humidity | 10% to 90% RH |
| Stock | 7 |
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