Tired of lost keys, insecure locks, or constantly doubting whether your door is really secure?
Conventional door locks offer no overview, no control, and no flexibility.

The Concept

Imagine your door opening with your fingerprint, via app, or temporary code – even when you’re not at home.
Full control, maximum security, and modern design all in one lock.

RAYKUBE K20 Smart Door Lock

The RAYKUBE K20 is a state-of-the-art biometric smart door lock with 5 secure unlocking methods, designed for maximum security and convenience in everyday life.

Why the K20 Convices:

• 5 Unlocking Methods:
  Tuya App · Fingerprint · Password · Smartcard · Mechanical key

• Tuya App control (Bluetooth)
  Convenient management of users, fingerprints, cards & passwords

• Temporary passwords remotely
  Ideal for guests, family, Airbnb, or craftsmen

• Multilingual voice system (9 languages)

• Electronic interior lock
  Additional protection from inside

• Anti-peeping password function
  Protection against shoulder surfing when entering

• Free-spinning handle design
  Prevents forced opening & extends lifespan

• Emergency power & key backup (USB-C)
  No fear of power outage

• Matte, scratch-resistant design
  Modern, durable, high-quality

Optionally, a USB-Bluetooth Gateway can be added to connect the lock to Wi-Fi and control it remotely.

Experience security on a new level.
Order the RAYKUBE K20 Smart Door Lock now and make your home smarter, safer, and more comfortable.

• Supports 9-language voice system

• The interior panel has an electronic locking function

• Mechanical keys and emergency power supply (Type-C) can be used when the door lock has no power.

• Universal for left and right doors, suitable for door thickness 26–50 mm.

• Over 24 sizes of mortise locks available

• Matte, brushed design panel

  
  

  The front panel has been upgraded with a matte brushed design, and each front panel is coated with a protective film to make it less prone to scratches

• The screw position of the plate can be flexibly moved, easy installation. No additional holes need to be drilled

  
  

Multilingual voice system

• 5 unlocking methods: Tuya APP/Fingerprint/Password/Smartcard/Key unlocking

• Add or delete user fingerprints, passwords, and cards directly in the Tuya app

Tuya APP temporary password remote unlock

• Bluetooth connection; easy to connect and power-saving

• Add a B4 USB Bluetooth gateway (purchase additionally) to connect to Wi-Fi

• 

Send temporary password remotely

Share the temporary password remotely, share the temporary password with your friends, and enter the temporary password code to open the door, more convenient to use

If you are not at home, you can create a temporary password to unlock via the Tuya app

Unlock by fingerprintEncrypted smart IC card, easy-to-use IC card for unlocking the door

Virtual Password, Anti-Peeping Unlock

Virtual anti-peep password, enter casually as long as one of them is correct. Safe and reliable

The interior panel has an electronic locking function

After turning on the electronic lock switch, only the metal key can open the door and no other unlocking method is available

Free handle design, prevents forced unlocking

Prevent malicious pressing on the handle, damage to the internal structure, and extend the motor's lifespan

It has the opening capability of anti-magnetic and electrofield technology to prevent unlocking by Tesla coil and effectively improve lock security

Multiple alarms for anti-test opening, continuous incorrect operation of password/fingerprint/card, and the system will automatically lock

If the fingerprint lock has no power, it can be unlocked with a mobile power bank or a mechanical key

Please use the non-rechargeable alkaline battery. (Battery not included)

Specifications

• Model: RAYKUBE K20

• System: Tuya Bluetooth 4.0

• Material: Zinc / aluminum alloy

• Color: Black

• Unlock Methods:
  App · Fingerprint · Password · Smartcard · Key

• Fingerprint Sensor: FPC semiconductor sensor

• User Capacity:

  • Fingerprints: 100

  • Cards: 100

  • Passwords: 100

• Door Thickness: approx. 26–50 mm

• Door Type: Wood, steel, stainless steel, brass

• Direction: Reversible left / right

• Power Supply: 4× AAA batteries (not included)

• Emergency Power: USB-C + mechanical key

• Operating Temperature: −20 °C to 55 °C

• Smart Home Platform: Tuya

• Origin: CN

• Chemicals: No hazardous substances

Item included 

• Front plate x 1

• Back panel x 1

• Mortise lock x 1 (Options)

• Smartcard x 5

• Mechanical key x 2

• Screw set x 1