# Slim Waterproof Sliding Door Smart Lock

# Slim 2.8CM Waterproof Sliding Door Smart Lock Fingerprint Password IC Card Key Compatibility TTlock App & Alexa Biometric Header

Securing narrow profile doors like glass sliding doors, aluminum frames, and thin wooden doors often presents a frustrating challenge with standard bulky hardware that simply does not fit correctly. The Tidesmit Slim 2.8CM Waterproof Sliding Door Smart Lock delivers a specialized biometric security solution designed precisely for slim profiles without compromising on advanced modern features.

## Key Features and Benefits

-   **Ultra-Slim 2.8cm Width:** Specifically engineered to fit narrow doors, framed glass doors, aluminum profiles, and sliding doors seamlessly.
-   **Biometric Handle Design:** Integrates the fingerprint recognition head directly into the handle for a natural grip-and-unlock motion.
-   **Five Versatile Unlock Methods:** Access your space easily via fingerprint, numerical password, IC card, mechanical keys, or Bluetooth smartphone app.
-   **IP66 Weatherproof Construction:** Built from durable, corrosion-resistant aluminum alloy designed to withstand outdoor conditions under eaves.
-   **TTlock App Integration:** Manage user permissions, generate temporary ekeys, view unlock history, and connect with Alexa or Google Assistant via an optional gateway.

## Technical Specifications

This lock operates on 4 AA batteries and features a low-power alarm at 4.8V with an emergency Micro USB power port. It supports up to 100 fingerprints, 50 passwords, and 100 IC cards, with a working temperature range of -20 to 65°C and compatibility with door thicknesses from 30mm to 110mm.

## Frequently Asked Questions

**How do I add the smart lock to the TTlock app?**  
Simply install the TTlock app on your smartphone, turn on your phone's Bluetooth, wake up the lock's keypad screen, and follow the in-app prompts to add the device.

**What should I do if the handle does not turn or the lock stays in open mode?**  
Ensure the internal arrow direction behind the front panel is positioned opposite to your handle opening direction during installation.

Upgrade your narrow and sliding doors with reliable biometric security and enjoy modern convenience today.

## Details

- **Price:** 138.77 EUR - 164.96 EUR
- **Vendor:** Tidesmit
- **Type:** Smart Door Handle
- **Tags:** smart door handles

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Black2885 / Left Handle | 164.96 EUR | In stock |
| Black2885 / Right Handle | 157.61 EUR | In stock |
| Black2885hook / Left Handle | 157.79 EUR | In stock |
| Black2885hook / Right Handle | 156.56 EUR | In stock |
| Black3585 / Left Handle | 157.79 EUR | In stock |
| Black3585 / Right Handle | 157.58 EUR | In stock |
| Black3585hook / Left Handle | 157.76 EUR | In stock |
| Black3585hook / Right Handle | 158.12 EUR | In stock |
| Black4585 / Left Handle | 159.81 EUR | In stock |
| Black4585 / Right Handle | 139.18 EUR | In stock |
| Black6085 / Left Handle | 142.31 EUR | In stock |
| Black6085 / Right Handle | 157.40 EUR | In stock |
| Silver6085 / Left Handle | 138.77 EUR | In stock |
| Silver6085 / Right Handle | 142.35 EUR | In stock |
| Silver4585 / Left Handle | 155.08 EUR | In stock |
| Silver4585 / Right Handle | 160.53 EUR | In stock |
| Silver3585hook / Left Handle | 157.37 EUR | In stock |
| Silver3585hook / Right Handle | 157.48 EUR | In stock |
| Silver3585 / Left Handle | 161.01 EUR | In stock |
| Silver3585 / Right Handle | 160.67 EUR | In stock |
| Silver2885hook / Left Handle | 156.42 EUR | In stock |
| Silver2885hook / Right Handle | 157.11 EUR | In stock |
| Silver2885 / Left Handle | 159.07 EUR | In stock |
| Silver2885 / Right Handle | 158.98 EUR | In stock |

## Images

- Black fingerprint smart sliding door lock with keypad and lever handle
- Black smart sliding door lock with handle, keypad, and anti-lock button
- Black smart lock handle with glowing fingerprint sensor and numeric keypad
- Smart sliding door lock with gateway, phone app, and Alexa compatibility
- Black fingerprint smart lock with lever handle and keypad on sliding door
- Black slim smart lock shown with successful installation on narrow panel
- Black and silver smart sliding door lock with narrow-edge waterproof design
- Black fingerprint keypad smart handle with hand gripping for door access
- Smart lock feature list showing fingerprint, card, password, and app unlock
- Black aluminum smart sliding door lock with glowing fingerprint sensor

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> Source: [Tidesmit](https://tidesmit.com/products/slim-waterproof-sliding-door-smart-lock)
> Updated: 2026-08-26