YRHAND K7S Tuya Wifi Smart Door Lock Instruction Manual

1. Introduction

The YRHAND K7S Tuya Wifi Smart Door Lock is an advanced security solution designed to enhance the safety and convenience of your home. This biometric smart door lock eliminates the need for traditional keys, offering multiple unlocking methods and smart features accessible via the Tuya app. It provides a secure and flexible way to manage access to your property, allowing you to monitor and control your door lock remotely.

This manual provides detailed instructions for the installation, operation, and maintenance of your YRHAND K7S Smart Door Lock. Please read it thoroughly before installation and use to ensure proper functionality and safety.

YRHAND K7S Smart Door Lock overview

2. Key Features

• Multiple Unlocking Methods: Supports Tuya APP, Fingerprint, Password, Smart Card, Mechanical Key, and Wristband Unlock.
• Tuya APP Remote Control: Seamless Wifi connectivity for convenient remote management.
• Temporary Password Generation: Remotely generate and send temporary passwords for guests or service providers.
• Virtual Password Anti-peeping: Enhanced security feature to prevent password exposure.
• Emergency Access: Mechanical keys and a USB emergency power supply are available for use when the lock's batteries are depleted.
• Universal Compatibility: Suitable for both left and right-handed doors, accommodating door thicknesses of 35-55mm.
• Wide Mortise Options: Compatible with over 24 different mortise lock sizes.
• Free Handle Design: Prevents malicious pressing on the handle, protecting internal mechanisms and extending motor service life.
• Ultra-long Battery Life: Optimized power consumption for extended battery performance.
• Multi-language Voice Prompts: Supports 9 languages for voice guidance, switchable in the initialized state.

Product updates and features

3. Specifications

Mortise Options and Door Thickness Measurement Guide

Mortise lock options and dimensions

Smart lock dimensions

4. Package Contents

Please verify that all items are included in your package:

• Front panel x 1
• Rear panel x 1
• Mortise lock x 1
• YRHAND Smart Cards x 5
• YRHAND Wristbands x 2
• Installation Screws and Accessories
• User Manual (this document)

Packing list illustration

5. Installation Guide

Before you begin, ensure your door meets the thickness requirements (35-55mm) and you have selected the correct mortise option for your door type. It is recommended to watch the installation video for a visual guide.

5.1. Pre-installation Steps

1. Measure Your Door: Carefully measure the thickness of your door, the length of the guide sheet, and the width of the guide sheet to ensure compatibility and select the appropriate mortise.
2. Prepare the Door: Ensure the door is properly drilled and prepared for the mortise and lock panels according to the provided templates (if any, not explicitly provided in data but standard for locks).

Door measurement guide

5.2. Step-by-Step Installation

The following steps outline the general installation process. Refer to the installation video for detailed visual instructions.

1. Install the Mortise Lock: Insert the chosen mortise lock into the door's mortise cutout and secure it with screws.
2. Install Front Panel: Carefully align the front panel with the mortise and door, feeding any necessary cables through the door. Secure the front panel using the provided screws and spindle.
3. Install Back Panel: Connect the cables from the front panel to the back panel. Align the back panel with the mortise and front panel, ensuring the spindle engages correctly. Secure the back panel with screws.
4. Install Batteries: Open the battery compartment on the back panel and insert 4 AAA 1.5V alkaline batteries (not included), ensuring correct polarity.
5. Test Functionality: After installation, test the handle movement and the lock/unlock mechanism to ensure smooth operation before closing the battery cover.

6. Operation

6.1. Unlocking Methods

Six Unlocking Methods for the Smart Lock

• Fingerprint Unlock: Place your registered finger on the fingerprint sensor. The lock will unlock in approximately 0.5 seconds if the fingerprint is recognized.
• Password Unlock: Enter your registered password on the keypad, followed by '#'.
• Smart Card Unlock: Present a registered smart card (e.g., NFC card) to the card sensing area.
• Key Unlock: In case of emergency or battery depletion, use the mechanical key to unlock the door.
• Wristband Unlock: Present a registered wristband to the card sensing area.
• Tuya APP Remote Unlock: Use the Tuya Smart app on your smartphone to remotely unlock the door.

6.2. Tuya APP Functions

The Tuya Smart app provides comprehensive control and monitoring capabilities for your smart lock.

Tuya APP: Smart Lock Control Interface

• Remote Unlock: Open the app, navigate to your lock, and click "open remotely." (Note: You may need to press "9+#" on the lock panel first to activate remote unlock).
• Generate Dynamic Password: Create time-limited or one-time passwords for temporary access. These can be sent to family, friends, tenants, or pet sitters.
• User Management: Easily add, modify, or delete user fingerprints, passwords, and smart cards.
• View Unlock Record: Check the unlock log and alarm log anytime to see who entered and when.
• System Setting: Configure various lock settings, including language, volume, and security features.
• Smart Lock Power Indicator: Monitor the battery level of your lock directly from the app.

Tuya APP: Send Temporary Passwords

Temporary password function details

6.3. Special Modes and Features

• Free Handle Design: The handle is designed to prevent damage from violent attempts to open the door, prolonging the lock's lifespan. Lift the handle to lock, press down to unlock.
• Silent Mode: You can turn on or turn off the voice prompts for quiet operation.
• Passage Mode: Allows direct entry by pressing down the handle without requiring fingerprint, password, or card verification.
• Safety Features: An alarm will sound if the door lock is tampered with or an incorrect password/fingerprint is entered multiple times.
• Language Voice Switch: The smart lock supports 9 languages. To switch languages, the lock must be in its initialized state.

Free Handle Design to Prevent Violent Unlocking

Smart Lock 9 Language Voice Support

7. Maintenance

• Battery Replacement: When the battery indicator shows low power, replace all 4 AAA batteries promptly. Use high-quality alkaline batteries for optimal performance.
• Cleaning: Wipe the lock's surface with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or harsh chemicals that could damage the finish or electronic components.
• Fingerprint Sensor: Keep the fingerprint sensor clean and dry for accurate recognition.
• Mechanical Parts: Periodically check screws and connections to ensure they are secure. Do not lubricate the lock cylinder with oil, as this can attract dust and cause malfunctions.

Smart Lock Ultra-long Battery Life and USB Emergency Power

8. Troubleshooting

• Lock not responding: Check battery levels. If batteries are dead, use the USB emergency power outlet with a power bank or the mechanical key.
• Fingerprint not recognized: Ensure your finger and the sensor are clean and dry. Try re-registering your fingerprint if the issue persists.
• Password not working: Double-check the entered password. Ensure you are pressing '#' after the password. If using a virtual password, ensure you are entering random digits before and after your actual password.
• App connectivity issues: Ensure your lock is within range of your 2.4G WiFi network. Check your router and internet connection. Restart the Tuya app and the lock if necessary.
• Voice prompts in wrong language: The language can only be switched when the lock is in its initialized state. Refer to the app settings or lock's system settings for language options.
• Door not locking/unlocking smoothly: Check for any obstructions in the door frame or mortise. Ensure the mortise is correctly installed and aligned.

9. User Tips

• Mortise Selection: Pay close attention to the mortise options (e.g., K7S 190R vs K7S 190) as they refer to different sizes and configurations. Ensure you select the correct one for your door to avoid installation issues.
• Battery Life: While the lock has ultra-long battery life, it's good practice to check the battery status via the Tuya app periodically, especially before extended absences.
• Temporary Access: Utilize the temporary password feature for visitors or service personnel instead of sharing permanent codes. This enhances security and allows for easy revocation of access.
• App Management: Regularly review unlock records in the Tuya app to monitor door activity and manage user permissions effectively.

10. Warranty and Support

For warranty information, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.