1. Introduction
Thank you for choosing the Jokiro WiFi Retrofit Smart Lock and Wireless Smart Keypad. This manual provides detailed instructions for the installation, operation, and maintenance of your new smart lock system. Please read this manual thoroughly before installation and retain it for future reference.

Image 1.1: The Jokiro WiFi Retrofit Smart Lock and Wireless Smart Keypad, alongside a smartphone displaying the companion app interface.
2. Safety Information
To ensure safe operation and prevent damage, please observe the following safety precautions:
- Do not attempt to disassemble or repair the device yourself. Refer all servicing to qualified personnel.
- Use only the specified power source and accessories.
- Keep the device away from water, moisture, and extreme temperatures.
- Ensure proper installation according to the instructions to avoid malfunction.
- Regularly check the battery level and replace batteries as instructed to prevent lockouts.
3. Package Contents
Verify that all components are present in your package:
- Jokiro WiFi Retrofit Smart Lock (Interior Unit)
- Wireless Smart Keypad (Exterior Unit)
- Mounting Plate
- Mounting Hardware (Screws, Allen Wrench)
- Rechargeable Lithium Polymer Battery
- USB Charging Cable
- User Manual (this document)
4. Product Overview
The Jokiro Smart Lock system consists of an interior retrofit unit and an exterior wireless keypad, designed to work with your existing single-cylinder deadbolt. It offers multiple unlocking methods and smart home integration.

Image 4.1: Overview of the multi-functional security features including APP unlocking, voice control, fingerprint, key unlock, and digital keypad.

Image 4.2: Diagram illustrating compatibility with most single-cylinder deadbolts and incompatibility with integrated, mortise, or rim cylinder locks. Dimensions of the smart lock and keypad are also shown.
5. Setup & Installation
The Jokiro Smart Lock is designed for easy installation, typically taking around 15 minutes. It retrofits your existing deadbolt without replacing the exterior hardware.
5.1 Pre-Installation Checks
- Ensure your door has a standard single-cylinder deadbolt.
- Check door thickness and backset for compatibility.
- Charge the smart lock's battery fully before installation.

Image 5.1: The Jokiro Smart Lock designed to remotely control your existing deadbolt, allowing you to still use your traditional key.
5.2 Installation Steps
- Charge and Install: Fully charge the smart lock battery and install it into the interior unit.
- Download the App: Download the "KK Home" app from your smartphone's app store.
- Connect to WiFi: Connect the smart lock to your 2.4GHz or 5GHz WiFi network directly. No gateway is required.
- Scan QR Code to Pair: Follow the in-app instructions to scan the QR code on the lock and pair it with your account.

Image 5.2: Visual guide for the four easy installation steps: Charge and Install, Download the App, Connect to 2.4GHz/5GHz WiFi, and Scan QR Code to Pair.

Image 5.3: The Jokiro Smart Lock installed on a door, demonstrating its seamless integration with existing deadbolts and quick installation time.
6. Operating Instructions
The Jokiro Smart Lock offers multiple convenient ways to lock and unlock your door.
6.1 Unlocking Methods
- Fingerprint Unlock: Place your registered finger on the keypad's fingerprint sensor for quick access. Unlocks in approximately 0.3 seconds.
- Keypad Entry: Enter your programmed PIN code on the wireless keypad.
- App Control: Use the "KK Home" app on your smartphone to remotely lock or unlock the door from anywhere.
- Voice Control: Integrate with Amazon Alexa or Google Assistant to control the lock using voice commands.
- Traditional Key: Your existing physical key for the deadbolt remains functional.

Image 6.1: A hand demonstrating fingerprint unlock on the keypad, highlighting fingerprint, keypad, and Bluetooth unlocking methods.

Image 6.2: Demonstrates the rapid 0.3-second fingerprint unlock feature, supporting up to 50 group fingerprints with a 99.99% recognition rate.

Image 6.3: A user interacting with a smart speaker to control the lock via voice commands, compatible with Amazon Alexa and Hey Google.
6.2 Locking Methods
- Auto Locking: Set a time delay (0s-30min with door sensor, 10s-30min without) for the lock to automatically engage after closing. Default is 30 seconds.
- One-Touch Locking: Press and hold any key on the keypad for 2 seconds to lock the door.
- App Control: Lock the door remotely using the "KK Home" app.

Image 6.4: Explains Auto Locking with adjustable time delays and One Touch Locking by holding any keypad key for 2 seconds.
6.3 Advanced Features
- Anti-Peep Password: Enter random digits before or after your actual password to prevent others from guessing your code.
- Duress Alarm: In an emergency, entering a specific duress code can silently alert designated contacts via email notification.
- Silent Mode: Activate silent mode to disable keypad tones for quiet operation.

Image 6.5: Illustrates the anti-peep password feature, allowing users to input random digits before or after the correct password for enhanced security.

Image 6.6: Depicts the duress alarm feature, which sends an email notification to designated contacts when a duress password is used.

Image 6.7: Shows a user entering the home with the silent mode activated, ensuring quiet operation of the keypad.
7. App Features (KK Home App)
The "KK Home" app provides comprehensive control and monitoring capabilities for your smart lock.
- Remote Control: Lock and unlock your door from anywhere with built-in WiFi connectivity.
- User Management: Invite and manage users, setting different types of access codes (permanent, scheduled, one-time).
- Event History: View a detailed log of all lock activities, including unlocks, lockings, and doorbell rings.
- Door Status Display: Check if your door is closed and locked by installing the optional door sensor.
- Low Battery Alert: Receive notifications when the battery level drops below 20%.

Image 7.1: A smartphone displaying a notification from the KK Home app indicating the front door has been locked by one-touch locking.

Image 7.2: A user on a beach using the KK Home app to remotely open the door, demonstrating the convenience of remote access.

Image 7.3: Illustrates the ability to set different password types: Permanent PIN Code for family, Scheduled PIN Code for hourly workers, and Temporary Pin Code for one-time use.

Image 7.4: Shows the "Invite User" interface in the KK Home app, allowing users to share lock control with family members.

Image 7.5: A user viewing the event history in the KK Home app, which provides notifications and alerts of lock activity.

Image 7.6: A user checking the door status display on their phone, which indicates if the door is closed and locked, provided a door sensor is installed.
8. Maintenance
8.1 Battery Management
The smart lock is powered by a 4000mAh rechargeable Lithium Polymer battery, designed to last over 6 months on a single charge.
- Charging: Use the provided USB charging cable to recharge the battery when needed.
- Low Battery Alert: The battery indicator on the lock will turn red, and the app will display the battery status when it's below 20%.

Image 8.1: Visual representation of the 4000mAh rechargeable battery, highlighting its long-lasting performance of over 6 months per charge.

Image 8.2: Shows the low battery alert system, where the lock's indicator turns red and the app displays the battery status when it falls below 20%.
8.2 Cleaning
Wipe the lock and keypad surfaces with a soft, dry cloth. Avoid using abrasive cleaners or solvents that may damage the finish.
9. Troubleshooting
If you encounter issues with your Jokiro Smart Lock, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Lock not responding | Low battery; WiFi disconnected; App issue | Charge battery; Reconnect WiFi; Restart app/phone |
| Fingerprint not recognized | Finger dirty/wet; Unregistered fingerprint; Sensor dirty | Clean finger/sensor; Re-register fingerprint; Try keypad |
| Keypad not working | Incorrect code; Keypad battery low | Verify code; Replace keypad battery (if applicable); Use app/key |
| Remote control not working | No internet connection; Lock offline | Check home WiFi; Ensure lock is connected to WiFi |
If the problem persists, please contact Jokiro customer support for assistance.
10. Specifications
| Feature | Detail |
|---|---|
| Brand | Jokiro |
| Model | B0C6F9MH1Z |
| Lock Type | Retrofit Smart Lock (Key Lock) |
| Connectivity | Wi-Fi (2.4GHz & 5GHz) |
| Control Methods | Fingerprint, Keypad, App, Voice (Alexa, Google Assistant), Mechanical Key |
| Power Source | 1 Lithium Polymer battery (included) |
| Battery Capacity | 4000mAh |
| Battery Life | More than 6 months per charge |
| Dimensions (Lock) | 5.7" (146mm) H x 2.6" (68mm) W x 1.3" (34mm) D |
| Dimensions (Keypad) | 4.0" (104mm) H x 1.1" (30mm) W x 0.7" (20mm) D |
| Waterproof Rating | IP54 |
| Included Components | Screwdriver |

Image 10.1: The keypad shown in a rainy environment, illustrating its IP54 waterproof rating for outdoor durability.
11. Warranty and Support
Jokiro provides customer support for its products. For warranty information, technical assistance, or service inquiries, please refer to the contact information provided on the product packaging or the official Jokiro website.
For the latest updates, FAQs, and additional resources, visit the official Jokiro support page.