S4A-S1F Biometric Fingerprint Smart Lock Cylinder (Tuya)
S4A-S1F, Fingerprint on Knob, 100 Prints, 100 Mifare Cards, Tuya Bluetooth App, Brass Core, CR123A Battery
The S4A-S1F is a high-tech biometric European standard smart lock cylinder featuring an integrated semiconductor fingerprint sensor on the exterior knob, Mifare RFID reader, Tuya Bluetooth app, and solid brass core.
Product Overview
The S4A-S1F delivers instant biometric fingerprint entry in a compact cylinder form factor. Designed to directly replace legacy mechanical euro cylinders, it incorporates a 360-degree capacitive biometric sensor on the face of the turning knob, unlocking in less than half a second upon touch.
Why Buy This Product
Thumb-Tap Biometric Knob
Touch your finger to the center of the outer knob to authenticate and unlock in under 0.5s.
Free-Spinning Anti-Force Knob
When locked, the exterior knob turns freely, neutralizing forced mechanical pipe attacks.
Tuya Smart Integration
Seamlessly connects into your Tuya smart home app alongside your lighting and cameras.
Best for These Applications
Residential Exterior Doors
Turn any standard European mortise front door into a keyless fingerprint entry door.
Commercial Office Suites
Grant biometric access to selected personnel without issuing easily cloned keys.
Key Advantages
- Free-Wheeling Security Mechanism:External turning force does not engage the locking cam unless authenticated.
- Non-Invasive Installation:Replaces cylinder in under 5 minutes without drilling through the door skin.
Frequently Asked Questions
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Weight | 0.68 |
| Shipping Weight | 0.88 |
| Cylinder Standard | Euro Profile DIN Standard |
| Adjustable Length | Yes |
| Cylinder Length Total | 60 mm to 120 mm adjustable |
| Internal Length | 30-60 mm |
| External Length | 30-60 mm |
| Applicable Door Thickness | 35-90 mm |
| Lock Core Grade | Class C Anti-Pick Brass Core |
| Unlock Methods | Fingerprint, IC Card (13.56MHz), Tuya App, Mechanical Key |
| Fingerprint Capacity | 100 |
| Card Capacity | 100 |
| Rfid Frequency | 13.56MHz Mifare |
| Emergency Mechanical Key Support | Yes |
| Mechanical Key Count | 2 |
| Anti Drill Plate | Yes |
| Wireless Protocol | Bluetooth BLE 5.0 / Tuya Gateway Compatible |
| App Support | Tuya Smart, Smart Life |
| Remote Unlocking | Yes |
| Battery Type | 1x CR123A Lithium 3V Battery |
| Battery Life | 8-12 months (approx. 8,000 - 10,000 operations) |
| Emergency Power Port | Type-C USB Jumpstart Port |
| Low Battery Warning | Yes |
| Body Material | Solid Brass + Aluminum Alloy |
| Knob Material | Aviation 6061 Aluminum Alloy |
| Front Knob Dimensions | Diameter 42 mm, Length 46 mm |
| Rear Knob Dimensions | Diameter 34 mm, Length 30 mm |
| Ip Rating | IP5x Dust and Splash Resistant |
| Operating Temp | -25°C to 55°C |
| Operating Humidity | 10% to 90% RH |
| Stock | 5 |
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