Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your LOCKINK Smart Lock Box, Model SJ-056-ZH. This device offers secure, app-controlled access for storing keys up to 1.8 inches in length. Please read this manual thoroughly before use to ensure proper functionality and safety.
Product Features
- Compact Storage Capacity: Designed to securely hold keys measuring 1.8 inches or less. Verify your key size before attempting to store it.
- App-Controlled Unlocking: Unlock the device directly from your smartphone via Bluetooth after downloading the dedicated application. No physical key is required for operation.
- Portable Design: Its compact and lightweight design allows for easy portability, fitting into a bag, attaching to a keychain, or hanging on a door.
- Wireless Connectivity: Utilizes Bluetooth technology for seamless connection to the smartphone application, enabling remote access management and control.
- Versatile Mounting Options: Can be installed on walls or hung on door handles, offering flexible placement to suit various key storage and access requirements.

Image: Front view of the LOCKINK Smart Lock Box, showcasing its compact design.

Image: The LOCKINK Smart Lock Box shown next to a hand for size comparison, highlighting its small form factor and 32g weight.
Package Contents
- LOCKINK Smart Key Box (Model SJ-056-ZH)
- Instruction Manual
Specifications
| Feature | Detail |
|---|---|
| Brand | LOCKINK |
| Model Number | SJ-056-ZH |
| Product Dimensions (D x W x H) | 1.89" x 1.26" x 3.15" |
| Lock Type | Electronic Combination Lock |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Key Storage Capacity | Keys up to 1.8 inches in length |
| Connectivity | Bluetooth |
| Weight | 32 grams |
Image: Diagram illustrating the precise dimensions of the LOCKINK Smart Lock Box.
Setup
1. Download the Application
Search for the official LOCKINK application on your smartphone's app store (iOS or Android) and install it. Ensure your device meets the minimum system requirements for the app.
2. Pair with Bluetooth
- Ensure Bluetooth is enabled on your smartphone.
- Open the LOCKINK app and follow the on-screen instructions to add a new device.
- Press the button on the Smart Lock Box to activate pairing mode. The device indicator light will flash.
- Select the LOCKINK Smart Lock Box from the list of available devices in the app to complete the pairing process.

Image: Illustration of the Bluetooth connection process between the LOCKINK Smart Lock Box and a smartphone application.
3. Mounting Options
The Smart Lock Box can be mounted on a wall or hung on a door handle. Choose the most suitable option for your needs.
- Wall Mount: Mark the desired location, drill pilot holes, and secure the lock box using appropriate screws (not included).
- Door Handle: Simply hang the lock box securely on a door handle or knob.
Operating Instructions
1. Unlocking via App
- Ensure your smartphone's Bluetooth is on and within range of the lock box.
- Open the LOCKINK application.
- Select your Smart Lock Box from the device list.
- Tap the "Unlock" button within the app. The lock box will open, allowing access to the stored key.

Image: Visual guide demonstrating how to unlock the LOCKINK Smart Lock Box using the mobile application via Bluetooth.
2. Sharing eKeys
The LOCKINK app allows you to share temporary or permanent access (eKeys) with other authorized users. Navigate to the "Share Access" or "eKey Management" section within the app and follow the prompts to grant access to others.
3. Viewing Unlocking Records
The application maintains a detailed log of all unlocking events. Access the "Records" or "History" section in the app to review who unlocked the device and when, providing an audit trail for security.

Image: Screenshot of the LOCKINK app interface showing options for remote authorization, position lock function, timed unlocking, and checking unlocking records.
Maintenance
- Cleaning: Wipe the exterior of the lock box with a soft, damp cloth. Avoid using abrasive cleaners, solvents, or harsh chemicals, as these may damage the ABS material.
- Battery: The device is battery-powered. If the lock box becomes unresponsive or fails to connect, the battery may need replacement. Refer to the app for battery status or specific instructions on battery access.
- Firmware Updates: Periodically check the LOCKINK app for available firmware updates. Installing updates ensures optimal performance, security, and access to new features.
Troubleshooting
| Problem | Solution |
|---|---|
| Cannot connect via Bluetooth | Ensure Bluetooth is enabled on your phone. Make sure the lock box is powered on and within range. Try restarting the app and the lock box. Check if the lock box battery is low. |
| Lock box does not unlock | Check the app for any error messages. Ensure the battery is not depleted. Verify that you have current authorization to unlock the device. Try re-pairing the device if necessary. |
| Key does not fit inside | The lock box is designed for keys measuring 1.8 inches or less. Ensure your key meets this size requirement before attempting to store it. |
| App is unresponsive or crashes | Ensure your app is updated to the latest version. Try force-closing and reopening the app. If the issue persists, reinstall the application. |
Warranty and Support
For detailed warranty information, technical support, or customer service inquiries, please refer to the LOCKINK official website or contact customer support directly through the application. Keep your purchase receipt as proof of purchase for any warranty claims.