# Tuya Smart Biometric Fingerprint Cylindrical Door Lock

# Support Tuya App Intelligent Plug-in Lock IP65 Biometric Fingerprint App Control Cylindrical Bolt Alex/Google Home/Office Door

Many homeowners and office managers struggle with lost keys, unauthorized entries, and the hassle of traditional locking mechanisms that fail to provide modern access control. Upgrading your security does not require complicated installations or drilling new holes into your doors.

The Tidesmit intelligent plug-in lock provides a seamless keyless solution, combining advanced biometric recognition with smart app integration to secure your space effortlessly.

### Key Features & Benefits

-   **Multiple Unlocking Methods:** Access your door using the Tuya App, advanced fingerprint recognition, NFC, smart cards, traditional mechanical keys, or secure pincodes.
-   **Smart App Remote Control:** Monitor visitor logs in real time via the Tuya App. Pair the lock with a compatible gateway to enable remote unlocking from anywhere.
-   **Easy DIY Installation:** Upgrade your existing hardware in just three minutes without modifying your door body or requiring professional tools.
-   **Universal Door Compatibility:** Designed with an adjustable length cylinder lock to fit the vast majority of standard doors.

### Specifications

-   **Connectivity:** Bluetooth and WiFi
-   **Unlocking Options:** App, Bluetooth, Mechanical Keys, Card, WiFi, Password, Fingerprint
-   **Material:** Durable Stainless Steel
-   **Smart Home Integration:** Tuya Platform
-   **Power Supply:** Dry Battery (Note: Batteries are not included and must be purchased locally)

### Use Cases

Ideal for securing residential entryways, wooden or steel office doors, and interior rooms where quick, keyless entry and visitor activity tracking are desired.

### Frequently Asked Questions

**Can I still open the lock if the batteries run out?**  
Yes, you can use the traditional mechanical keys or connect an emergency power supply via USB.

**Is professional installation required?**  
No, the plug-in cylindrical bolt is designed for quick DIY replacement of your current lock cylinder in minutes.

Secure your home or office with the Tidesmit Tuya smart lock and experience modern keyless convenience today.

## Details

- **Price:** 160.88 EUR - 186.07 EUR
- **Vendor:** Tidesmit
- **Type:** Smart Door Lock
- **Tags:** smart door handles

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| S2KF Silver / 35 and 35 | 165.67 EUR | In stock |
| S2KF Silver / 30 and 30 | 160.88 EUR | In stock |
| S2KF-B and M1 / 30 and 30 | 177.33 EUR | In stock |
| S2KF Silver / 45 and 45 | 169.51 EUR | In stock |
| S2KF Black / 30 and 30 | 161.85 EUR | In stock |
| S2KF Black / 45 and 45 | 170.61 EUR | In stock |
| S2KF Black / 35 and 35 | 165.49 EUR | In stock |
| S2KF-S and M1 / 45 and 45 | 184.93 EUR | In stock |
| S2KF-B and M1 / 45 and 45 | 186.07 EUR | In stock |
| S2KF-B and M1 / 35 and 35 | 182.36 EUR | In stock |
| S2KF-S and M1 / 35 and 35 | 176.66 EUR | In stock |

## Images

- Black smart cylinder door lock with lever handle and keypad module
- Silver smart cylinder door lock set with lever handle and keypad
- Smart cylinder length diagram with bolt covers and measurement arrows
- Smart keyless cylinder lock with keypad, USB charging port, and emergency key
- Smart cylinder lock with arrows showing 35–60mm door thickness range
- Silver smart cylinder lock with black end caps and green status ring
- Keyless smart cylinder lock with keypad and door levers, app control shown
- Features list for keyless smart cylinder door lock, including unlock methods
- Smart cylinder lock feature icons: Tuya app unlock, timed password, key unlock
- Silver smart cylinder door lock with lever handle and keypad on door

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> Source: [Tidesmit](https://tidesmit.com/products/tuya-smart-biometric-fingerprint-cylindrical-door-lock)
> Updated: 2026-08-26