Description

SmartX Tuya Bluetooth Smart Ball / Round Knob Door Lock (SX-R100)

Upgrade your traditional bedroom door lock with the SmartX Tuya Bluetooth Smart Ball / Round Knob Door Lock (SX-R100)—a modern fingerprint smart lock designed for convenience, security and everyday comfort.

Unlike ordinary ball locks, the SX-R100 combines fingerprint recognition, Bluetooth App control, mechanical key backup and a built-in rechargeable battery into one elegant smart locking solution.

Whether you’re securing your bedroom, apartment, office room or rental property, this smart ball lock provides fast access and premium protection.

Why Choose the SmartX SX-R100?

The SX-R100 brings modern smart lock technology into the familiar round knob (ball lock) design that is widely used across Bangladesh.

Unlike conventional ball locks, you no longer need to carry keys every day.

Simply touch your finger and unlock instantly.

3 Convenient Unlocking Methods

Fingerprint Unlock

Experience secure biometric authentication with an advanced semiconductor fingerprint sensor.

• Unlocks in less than one second
• Stores up to 100 fingerprints
• High recognition accuracy
• Suitable for family and office users

Tuya Smart App Unlock

Using Bluetooth, the lock connects directly with the Tuya Smart and Smart Life App.

With the app you can:

• Unlock the door
• Register fingerprints
• Manage users
• View unlocking history
• Configure lock settings

When paired with a compatible Tuya Bluetooth Gateway, additional cloud-based features and remote management become available.

Mechanical Key Backup

Even though the lock features a rechargeable battery, SmartX includes a traditional mechanical key for emergency access whenever required.

Built-in Rechargeable Battery

Unlike many battery-powered smart locks that require frequent battery replacement, the SX-R100 comes with a built-in rechargeable lithium battery.

Benefits include:

• No disposable batteries
• Lower long-term maintenance cost
• Environmentally friendly
• Convenient charging
• Low battery warning before power runs low

The lock also provides USB Type-C emergency charging, allowing temporary power if the battery becomes completely discharged.

Passage Mode (Always Unlocked)

Need free access during office hours or while guests are visiting?

Simply rotate the inside knob to activate Passage Mode (Always Unlocked Mode).

Rotate it back anytime to restore normal security.

Perfect for:

• Offices
• Bedrooms
• Meeting rooms
• Guest rooms
• Shops

Smart Security Features

The SX-R100 offers several intelligent features for everyday use:

• Unlocking records
• Low battery warning
• Fingerprint management
• Built-in rechargeable battery
• USB Type-C emergency charging
• Mechanical key backup
• Bluetooth App management
• Secure biometric authentication

Premium Stainless Steel Construction

Manufactured using durable stainless steel, the SX-R100 offers:

• Excellent corrosion resistance
• Long service life
• Elegant appearance
• Strong everyday durability

Designed for Bangladesh’s climate and regular daily use.

Perfect for Many Applications

The SX-R100 is ideal for:

• Bedroom doors
• Apartment rooms
• Office rooms
• Rental apartments
• Study rooms
• Interior wooden doors

Compatible with door thickness:

35–55 mm

Technical Specifications

Why Buy from SmartX BD?

SmartX BD is one of Bangladesh’s leading Smart Home Automation solution providers, offering innovative smart security products designed for homes, apartments, offices, hotels and commercial projects.

We provide:

• Genuine Smart Door Locks
• Professional Consultation
• Smart Home Automation Solutions
• Technical Support
• Installation Assistance
• After-Sales Service

Visit our Experience Centers in Dhaka and Chattogram to experience the latest smart security technologies firsthand.

Frequently Asked Questions

Is this suitable for bedroom doors?

Yes. The SX-R100 is specifically designed for bedroom and other interior wooden doors with a thickness of 35–55 mm.

Does it require internet?

No. Bluetooth unlocking works without internet. Remote features require a compatible Tuya Bluetooth Gateway.

What happens if the battery runs out?

You’ll receive a low battery warning in advance. If needed, you can temporarily power the lock using a USB Type-C connection or unlock it with the included mechanical key.

Can multiple family members use it?

Yes. The lock supports up to 100 registered fingerprints, making it ideal for families, offices, and shared spaces.