Product Overview
The CATCHFACE Smart Key Lockbox (Model K5) offers a secure and convenient solution for key management, suitable for various applications including homes, offices, warehouses, and real estate. It features multiple unlocking methods and robust app-based management capabilities.

Figure 1: CATCHFACE Smart Key Lockbox and included accessories.
Key Features:
- Multiple Unlocking Methods: TTLock App, 3D fingerprint sensor, touchscreen keypad (anti-peep virtual password), 5 smart cards, and 2 physical keys.
- Versatile Mounting: Can be hung on a door handle or wall-mounted for both indoor and outdoor use.
- App-Based Management: Robust permission management, remote access (with optional WiFi Gateway), real-time access logs.
- Durable Construction: Constructed of aluminum alloy, tempered glass, and zinc, with IP65 waterproof and dustproof rating.
- Emergency Power: USB Type-C port for temporary power supply and backup mechanical keys.
Setup Guide
1. Battery Installation
The lockbox requires 4 AAA alkaline batteries (not included). Avoid low-quality or leaking batteries. Do not use rechargeable batteries as their lower voltage may cause malfunctions. Do not mix old and new batteries.
- Locate the battery compartment behind the front panel, secured with screws.
- Use the small Phillips screwdriver (included) to remove the screws and open the cover.
- Insert new AAA alkaline batteries, ensuring correct polarity (+ and -).
- Reattach the cover and tighten the screws.
- Test the lockbox by checking if the indicator light turns on.

Figure 2: Battery compartment location and components.
Video: How to Replace Batteries in the CATCHFACE Key Lock Box. This video demonstrates the step-by-step process of opening the battery compartment, inserting new AAA batteries, and securing the cover.
2. App Installation and Initial Setup
Download the free TTLock App from Google Play or Apple App Store. Register an account using your email or phone number. A verification code will be sent to complete registration.
Video: CATCHFACE TTLock Smart Lockbox Fingerprint Setup (K5). This video guides users through the initial app setup, including account registration and adding the lockbox to the app.
Video: CATCHFACE TTLock Smart Lock Fingerprint Setup. This video provides detailed instructions on setting up fingerprint access through the TTLock app.
Operating the Lockbox
Unlocking Methods
The CATCHFACE Smart Key Lockbox offers multiple convenient ways to unlock:
- TTLock App Unlock: Open the app and tap the unlock icon.
- Fingerprint Unlock: Place your registered finger on the sensor.
- Password Unlock: Enter your 6-9 digit password on the touchscreen keypad.
- IC Card Unlock: Tap a registered IC card on the card reader area.
- Mechanical Key Unlock: Use one of the two included physical keys.

Figure 3: Visual representation of the five unlocking methods.
Video: CATCHFACE Key Box Lock for RV Rental Business Convenience. This video demonstrates various unlocking methods and the large storage capacity of the lockbox.
App Features and Access Management
The TTLock App provides comprehensive control over your lockbox:
- Monitor Lock Status: Check remaining power and alerts.
- Send eKeys: Share virtual keys with other TTLock users.
- Employee Attendance: Support office attendance tracking.
- Remote Control: Lock/unlock from anywhere with an optional CATCHFACE WiFi Gateway (sold separately).
- Check Operation Logs: View unlock and alarm records.
- Manage Access Information: Generate or delete passwords, fingerprints, cards, or eKeys.

Figure 4: Overview of TTLock App functionalities.

Figure 5: Generating and sharing passcodes for temporary or permanent access.
Installation Methods
The CATCHFACE Smart Key Lockbox offers two primary installation methods:
1. Hanging on a Door Handle
This method is ideal for temporary use or when drilling is not an option.
- Pull out the rubber plug from the shackle.
- Buckle the shackle and key box in the direction of the arrow around the door handle.
- Push the button to the top, then detach the lock box and shackle.

Figure 6: Steps for hanging the lockbox on a door handle.
Video: Key Lockbox for Door Handle and Smart Lock Box Wall Mount. This video demonstrates both hanging and wall-mount installation methods.
2. Wall Mounting
For a more permanent and secure installation, the lockbox can be mounted to a wall. It can be installed on drywalls, steel doors, fence posts, and more.
- Poke out the hole plug on the back of the lockbox.
- Mark the drilling position on the wall.
- Drill holes at the marked positions.
- Install expansion plugs into the drilled holes.
- Tighten screws to fix the key box securely to the wall.

Figure 7: Steps for wall mounting the lockbox.
Video: CATCHFACE Wireless Lock Box Weatherproof. This video highlights the weatherproof design and ease of installation in various locations.
Maintenance
Battery Replacement
The TTLock App will provide a low battery alarm when the battery level is lower than 20%. The smart lock will also make an audible "di-di-di" sound. Replace batteries as described in the Setup Guide.
Emergency Power
In case of complete battery drain, a micro USB power bank can be used as a temporary power supply via the USB Type-C port for emergency unlock. Mechanical keys are also provided for backup access.

Figure 8: USB Type-C port for temporary power and mechanical key access.
Weather Resistance
The lockbox is designed with an IP65 waterproof and dustproof rating, making it suitable for outdoor use. It features a protective cover for enhanced weather resistance.

Figure 9: The lockbox with its waterproof cover.
Troubleshooting
- Lock not responding: Check battery level in the app or replace batteries. Use the mechanical key as a backup.
- Fingerprint not recognized: Ensure your finger is clean and dry. Re-register your fingerprint if issues persist.
- Keypad not lighting up: Tap the screen to activate. If still unresponsive, check battery.
- App connectivity issues: Ensure Bluetooth is enabled on your device and you are within range. For remote access, verify WiFi Gateway connection.
- Lost or forgotten passcode: Generate a new passcode through the TTLock App.
Specifications
| Feature | Detail |
|---|---|
| Brand | CATCHFACE |
| Model Name | K5 TTLock smart lock box |
| Dimensions (L x W x H) | 3 x 2 x 6 inches |
| Item Weight | 2 pounds |
| Material | Aluminum, Tempered glass, Zinc |
| Lock Type | Wireless remote lockbox for keys, Key lock box with code connect with smart phone, Biometric key lockbox TTLock, Smart combination key lock box with app |
| Special Features | Anti-Peeping Password, Weather Resistant, Weatherproof, Heat Resistant, Back-Lit Keypad |
| Connectivity | Bluetooth, Wi-Fi (with optional Gateway) |
| Power Source | 4 AAA batteries (not included), USB Type-C for emergency power |
| Included Components | 1 Smart Lock Box (TTLock App), 5 CATCHFACE IC Cards, 1 USB Cable (TYPE-C), 2 Mechanical keys, 1 Accessories package |
Warranty & Support
For any technical questions, support, or warranty inquiries, please contact CATCHFACE customer service. Refer to your product packaging or the official CATCHFACE website for the most up-to-date contact information.