YRHAND K7

YRHAND K7 Biometric Smart Door Lock User Manual

Model: K7 | Brand: YRHAND

1. ആമുഖം

The YRHAND K7 Biometric Smart Door Lock offers advanced security and convenient access to your home or office. Featuring multiple unlocking methods and smart integration with the Tuya App, this lock provides a modern solution for door access control. This manual will guide you through the installation, operation, and maintenance of your new smart lock.

YRHAND K7 Smart Lock with multiple features highlighted
കഴിഞ്ഞുview of the YRHAND K7 Smart Lock, highlighting 8 language voices, no gateway connection needed, 8+ months battery life, free handle replacement, 2 wristbands + 5 cards included, and fingerprint fast unlock.

2. ഉൽപ്പന്ന സവിശേഷതകൾ

  • ഒന്നിലധികം അൺലോക്കിംഗ് രീതികൾ: Unlock using Tuya APP, Fingerprint, Password, Smart Card, or Mechanical Key.
  • തുയ ​​ആപ്പ് സംയോജനം: Remote control, dynamic password generation, temporary password sharing, user management, alarm records, and unlock records.
  • Voice System: Supports 8 languages including Chinese, English, Portuguese, Bahasa Indonesia, Russian, Spanish, Arabic, and Vietnamese.
  • നീണ്ട ബാറ്ററി ലൈഫ്: Up to 8+ months of battery life with 4x AAA batteries.
  • അടിയന്തര പവർ: Mechanical keys and a USB port for emergency power supply (e.g., power bank) are available if batteries run out.
  • മെച്ചപ്പെടുത്തിയ സുരക്ഷ: Virtual password anti-peeping function, multiple anti-test opening alarm, continuous input error automatic locking, and anti-electromagnetic attack technology.
  • നിശ്ശബ്ദമായ മോഡ്: Adjustable volume for quiet operation, ensuring minimal disturbance.
  • Free Handle Design: Prevents violent unlocking attempts by allowing the handle to move freely when not authorized.
  • യൂണിവേഴ്സൽ ഡിസൈൻ: Suitable for door thicknesses between 35-55mm and reversible for left or right-handed doors.
Diagram showing five ways to unlock the YRHAND K7 Smart Lock
The five primary unlocking methods: APP Unlock, Fingerprint Unlock, Password Unlock, Card Unlock, and Mechanical Key Unlock.
Icons representing multiple functions of the smart lock
Icons illustrating key functions: Semiconductor Fingerprint, Touch Screen Input, Low Power Reminder, Card Unlock, Normally Open Mode, and Remote Unlock.

3. പാക്കേജ് ഉള്ളടക്കം

എല്ലാ ഇനങ്ങളും ഉണ്ടെന്ന് ഉറപ്പാക്കാൻ പാക്കേജ് പരിശോധിക്കുക:

  • ഫ്രണ്ട് പാനൽ x 1
  • പിൻ പാനൽ x 1
  • Mortise Lock x 1 (options available)
  • Smart Card x 5 (random color)
  • M1 Wristbands x 2
  • മെക്കാനിക്കൽ കീ x 2
  • സ്ക്രീൻ കിറ്റ് x 1
  • Side Cover x 1
  • സ്ട്രൈക്ക് പ്ലേറ്റ് x 1
Image showing all components included in the YRHAND K7 Smart Lock package
A visual representation of the complete package contents.

4 സ്പെസിഫിക്കേഷനുകൾ

ആട്രിബ്യൂട്ട്മൂല്യം
ഉൽപ്പന്നത്തിൻ്റെ പേര്ഇൻഡോർ ഫിംഗർപ്രിന്റ് ലോക്ക്
ബ്രാൻഡ് നാമംYRHAND
മോഡൽ നമ്പർK7
മെറ്റീരിയൽAluminum Alloy / Zinc Alloy
വൈദ്യുതി വിതരണം4 x AAA 1.5V DRY BATTERY (not included)
സംരക്ഷണ നിലIP66
വിരലടയാള ശേഷി100
ഐസി കാർഡ് ശേഷി100
അൺലോക്ക് മോഡുകൾTuya APP / Fingerprint / Password / Smart card / Key
അനുയോജ്യമായ വാതിൽ തരംസ്റ്റീൽ ഡോർ, മര ഡോർ, പിച്ചള ഡോർ, സ്റ്റെയിൻലെസ്സ് സ്റ്റീൽ ഡോർ
Suitable for Door Thicknessabout 35-55mm (some variants support 40-120mm)
ദിശ കൈകാര്യം ചെയ്യുകറിവേഴ്സബിൾ
കണക്റ്റിവിറ്റിWiFi (Tuya Smart home platform)
പ്രവർത്തന താപനില-20 to 55 Centigrade
സർട്ടിഫിക്കേഷൻCE, FCC
Detailed specification diagram of the YRHAND K7 Smart Lock
Detailed dimensions and component labels for the YRHAND K7 Smart Lock.

5. ഇൻസ്റ്റലേഷൻ

Before installation, ensure your door meets the required specifications for thickness and mortise type. The lock is designed for universal left/right door compatibility.

5.1 Door Measurement

Accurate measurements are crucial for proper installation. Measure the following:

  1. വാതിൽ കനം: Ensure it is within the 35-55mm range (or 40-120mm for some variants).
  2. Length of Guide Sheet: Measure the existing guide sheet if replacing an old lock.
  3. Width of Guide Sheet: Measure the existing guide sheet if replacing an old lock.
Image showing how to measure door thickness, guide sheet length, and guide sheet width
Instructions on how to measure your door for proper lock fit.

5.2 Mortise Selection

The lock supports various mortise types. A common option is the Single Latch (70mm). Ensure you select the correct mortise for your door.

Diagram of a single latch mortise (70mm) and the smart lock
Example of a Single Latch (70mm) mortise and the smart lock, noting universal right/left direction.

5.3 Handle Direction Adjustment

The handle direction is reversible. Adjust it according to your door's opening direction before final installation.

5.4 പൊതുവായ ഇൻസ്റ്റലേഷൻ ഘട്ടങ്ങൾ

Refer to the detailed installation guide provided with your lock for step-by-step instructions. This typically involves:

  1. Preparing the door (drilling holes if necessary).
  2. Installing the mortise lock.
  3. Attaching the front and rear panels.
  4. Connecting the wiring.
  5. Testing the lock's functionality.

6. ഓപ്പറേഷൻ

6.1 അൺലോക്ക് രീതികൾ

6.1.1 ഫിംഗർപ്രിന്റ് അൺലോക്ക്

Place your registered finger on the semiconductor fingerprint sensor. The lock will unlock quickly. The fingerprint identification area has a groove design for comfortable use.

Close-up of the semiconductor fingerprint sensor on the smart lock
The semiconductor fingerprint sensor for quick and secure access.
Person using fingerprint to unlock the smart lock by pressing the handle
One-hold unlocking: Press down the handle to open the door after fingerprint verification.

6.1.2 Password Unlock

Enter your registered password on the touch screen keypad. The lock supports virtual passwords, allowing you to enter random numbers before and after your actual password to prevent others from peeping.

Diagram explaining virtual password feature on the smart lock
Virtual password feature: Enter random numbers before and after the correct password for enhanced security.

6.1.3 Smart Card Unlock

Present a registered smart IC card to the IC Card Area on the lock. The smart card core is copy-proof and highly secure. Lost cards can be easily deleted and invalidated via the app.

Person using an IC card to unlock the smart lock
Using an encrypted smart IC card for easy and secure door unlocking.

6.1.4 മെക്കാനിക്കൽ കീ അൺലോക്ക്

In case of emergency or power failure, use the provided mechanical keys to unlock the door. The keyhole is located at the bottom of the lock.

6.1.5 Tuya App Unlock (Remote & Temporary)

The Tuya App allows for remote unlocking and management.

  • റിമോട്ട് അൺലോക്ക്: From the app, click the 'Click open remotely' button. On the lock panel, press "9+#" to confirm the remote opening.
  • ഡൈനാമിക് പാസ്‌വേഡ്: Generate a one-time dynamic password from the app, valid for a short period (e.g., 5 minutes).
  • താൽക്കാലിക പാസ്‌വേഡ്: Send timed-limited or dynamic temporary passwords to guests, family, or service providers.
Screenshot of the Tuya App interface for smart lock control
Tuya App interface showing system settings, remote unlock, dynamic password generation, user management, unlock records, and temporary password sending.
Image showing how to send a temporary password via the Tuya App
Sending a temporary password to allow access for others when you are not home.

Video demonstrating various unlocking methods including access card, password, fingerprint, and remote app unlock.

6.2 സുരക്ഷാ സവിശേഷതകൾ

  • Anti-Peeping Virtual Password: As described above, use random digits around your actual password.
  • Anti-Test Opening Alarm: The system will automatically lock and trigger an alarm after multiple continuous incorrect attempts (password, fingerprint, or card).
  • Anti-Electromagnetic Attack: Designed with anti-magnetic and electric field technology to prevent unlocking by devices like Tesla coils.
Image depicting the anti-test opening alarm feature of the smart lock
The lock features an anti-trial opening alarm that activates after continuous incorrect input.
Image illustrating the smart lock's protection against electromagnetic attacks
The smart lock is designed to prevent electromagnetic attacks, enhancing security.

6.3 സൈലൻ്റ് മോഡ്

The lock features an adjustable volume, allowing you to set it to silent mode. This is particularly useful for not disturbing sleeping family members.

Image showing the smart lock in silent mode with a sleeping child in the background
The silent guardian feature allows for quiet operation, considerate of sleeping family members.

7. പരിപാലനം

7.1 ബാറ്ററി മാറ്റിസ്ഥാപിക്കൽ

The lock is powered by 4x AAA 1.5V batteries. When the low power reminder activates, replace all four batteries promptly to ensure continuous operation. The battery cover is located on the indoor handle side.

Actual photo of the smart lock showing the battery compartment
An actual photo of the lock, showing the battery compartment on the indoor side.

7.2 എമർജൻസി പവർ സപ്ലൈ

If the batteries completely drain before replacement, you can use a mobile power supply (power bank) connected via the USB interface at the bottom of the front panel to temporarily power the lock and gain access. Alternatively, use the mechanical key.

Image showing USB and keyhole for emergency power and unlock
The lock supports USB emergency power and mechanical key unlocking in case of battery depletion.

8. പ്രശ്‌നപരിഹാരം

  • ലോക്ക് പ്രതികരിക്കുന്നില്ല: Check battery levels. If low, use emergency USB power or mechanical key.
  • വിരലടയാളം തിരിച്ചറിയാൻ കഴിയാത്തത്: Ensure your finger is clean and dry. Re-register fingerprint if issues persist.
  • പാസ്‌വേഡ് പ്രവർത്തിക്കുന്നില്ല: Double-check the entered password. Utilize the virtual password feature correctly. If multiple incorrect attempts occur, the lock may temporarily disable the keypad.
  • ആപ്പ് കണക്റ്റിവിറ്റി പ്രശ്നങ്ങൾ: Ensure your home WiFi network is stable and the lock is within range. Restart the app or re-pair the lock if necessary.
  • Lock Automatically Locking: This is a security feature. If multiple incorrect attempts are made, the lock will automatically engage its anti-test opening alarm and lock down. Wait for the lockout period to expire.

9 ഉപയോക്തൃ നുറുങ്ങുകൾ

  • Regularly check the battery status via the Tuya App to avoid being locked out.
  • Keep at least one mechanical key in a safe, accessible location outside your home for emergencies.
  • When setting up passwords, utilize the virtual password feature to enhance security against shoulder surfing.
  • Familiarize yourself with the Tuya App's features, especially remote unlocking and temporary password generation, for maximum convenience.

10. വാറൻ്റിയും പിന്തുണയും

The YRHAND K7 Smart Door Lock comes with a 24-month Manufacturer's Limited Warranty, covering defective items (excluding items damaged and/or misused after receipt). For any issues or support, please contact the seller or manufacturer directly with your purchase details.


YRHAND K7 Smart Door Lock: Fingerprint, Password, Card, App & Key Unlock Demonstration

YRHAND K7 Smart Door Lock: Fingerprint, Password, Card, App & Key Unlock Demonstration

0:45 • 960×540 • ഫീച്ചർ_ഡെമോ
YRHAND K7 Smart Fingerprint Door Lock: Multiple Unlock Methods & App Control

YRHAND K7 Smart Fingerprint Door Lock: Multiple Unlock Methods & App Control

0:45 • 852×480 • ഫീച്ചർ_ഡെമോ

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