Introduction
Thank you for choosing the Bextgoo 2K WiFi Digital Door Viewer. This device provides enhanced home security with its advanced features, including 2K video resolution, a 4.3-inch display, wide-angle night vision, AI human detection, and two-way audio communication. This manual will guide you through the installation, operation, and maintenance of your new door viewer to ensure optimal performance and security.
Product Overview
Key Features
- 2K Full HD Video Resolution: Provides clear and detailed images and video recordings.
- 4.3-inch Indoor Display: Offers a clear real-time view of your doorstep from inside.
- 8000mAh Rechargeable Battery: Long-lasting power for extended use.
- 170° Wide-Angle Lens: Captures a broad view of your entrance area.
- Enhanced Night Vision: Clear visibility up to 10 meters in low-light conditions.
- AI Humanoid Detection: Intelligent motion sensing to reduce false alarms.
- Two-Way Audio: Communicate with visitors remotely via the smartphone app.
- 32GB Micro SD Card Included: For local storage of recordings without subscription fees.
- Wireless Connectivity: Easy setup and remote access via Wi-Fi.
Package Contents
Please check that all components are present:
- Bextgoo Digital Door Viewer (Outdoor Camera Unit)
- Indoor Monitor (4.3-inch display with pre-installed 32GB Micro SD card)
- Mounting Backplate
- USB Charging Cable
- Screw Kit for Installation
- User Manual (this document)

Image: Contents of the Bextgoo Digital Door Viewer package, showing the outdoor camera, indoor monitor, mounting backplate, charging cable, and screw kit.
Setup and Installation
Pre-Installation Checks
- Ensure your door thickness is between 40 mm and 110 mm.
- Ensure your existing peephole diameter is between 15 mm and 45 mm.
- Charge the indoor monitor fully before installation.
Physical Installation Steps
- Remove Existing Peephole: Unscrew and remove your current door peephole.
- Insert Outdoor Camera: Insert the outdoor camera unit through the peephole hole from the outside of the door. Ensure the camera is facing outwards and is level.
- Attach Mounting Backplate: From the inside of the door, thread the cable from the outdoor unit through the mounting backplate. Secure the backplate to the door using the provided screws, ensuring it is tight and stable.
- Connect Indoor Monitor: Connect the cable from the outdoor unit to the corresponding port on the indoor monitor.
- Mount Indoor Monitor: Slide the indoor monitor onto the mounting backplate until it clicks securely into place.

Image: Installation diagram illustrating the outdoor camera, indoor monitor, and required door dimensions (door thickness 40-110mm, peephole diameter 15-45mm).
App Connection and Wi-Fi Setup
- Download App: Search for the "Cateye" app (or specified app in the product packaging) on your smartphone's app store (iOS or Android) and install it.
- Create Account: Open the app and follow the on-screen instructions to create a new user account.
- Add Device: Power on the indoor monitor. In the app, select "Add Device" or the '+' icon.
- Connect to Wi-Fi: Follow the app's instructions to connect your door viewer to your home 2.4GHz Wi-Fi network. You may need to scan a QR code displayed on the indoor monitor or enter your Wi-Fi credentials manually.
- Pairing Complete: Once successfully paired, you will be able to view the live feed and control the device from your smartphone.

Image: Digital WiFi Doorbell with LED screen and smartphone app compatibility, showing a hand interacting with the doorbell button and the live view on a smartphone.
Operating Instructions
Live View and Two-Way Audio
- Indoor Monitor: Press the button on the indoor monitor to view a live feed from the outdoor camera.
- Smartphone App: Open the app on your smartphone to access the live view anytime, anywhere.
- Two-Way Talk: When a visitor presses the doorbell or motion is detected, you can initiate two-way audio communication through the indoor monitor or the smartphone app.

Image: A person viewing a live feed from the Bextgoo Digital Door Viewer on both the indoor monitor and a smartphone, demonstrating real-time access and two-way communication.
Motion Detection and Alerts
- AI Humanoid Detection: The device uses AI to detect human shapes, minimizing false alarms from pets or inanimate objects.
- Instant Notifications: Receive immediate alerts on your smartphone when motion is detected at your door.
- Customizable Sensitivity: Adjust the motion detection sensitivity settings within the app to suit your environment and reduce unwanted triggers.

Image: A smartphone screen showing multiple "Motion Detected" notifications from the Bextgoo Digital Door Viewer, with a live view of a person at the door.
Video Recording and Playback
- Automatic Recording: The device automatically records video clips when motion is detected or the doorbell is pressed.
- Local Storage: Recordings are saved to the included 32GB Micro SD card.
- App Playback: Access and review recorded videos directly from the smartphone app. The app provides a timeline view for easy navigation of events.

Image: A split screen showing a comparison of 2K video resolution for both daytime and nighttime surveillance, highlighting the clarity of the Bextgoo door viewer.
Family Sharing
You can share access to your Bextgoo Digital Door Viewer with family members or trusted individuals. This allows multiple users to receive alerts, view live feeds, and communicate with visitors. Up to 20 users can be granted access, with up to 4 simultaneous online streams.

Image: Multi-user access interface demonstrating the family sharing feature, with a world map showing various connected users and devices.
Maintenance
Battery Charging
The indoor monitor is powered by an 8000mAh rechargeable battery. When the battery level is low, connect the indoor monitor to a power source using the provided USB charging cable. A full charge provides extended operation time.

Image: The Bextgoo indoor monitor highlighting its 8000mAh battery capacity, indicating long-lasting power.
Storage Management
The device comes with a pre-installed 32GB Micro SD card for local video storage. When the storage is full, older recordings will be overwritten automatically. You can manage recordings and storage settings through the smartphone app.

Image: A smartphone screen showing a 32GB memory card, emphasizing the included local storage for the device.
Cleaning
Wipe the outdoor camera lens and indoor monitor screen with a soft, dry cloth to remove dust or smudges. Avoid using harsh chemicals or abrasive materials.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on. | Low battery; power switch off. | Charge the indoor monitor. Ensure the power switch is in the 'ON' position. |
| Cannot connect to Wi-Fi. | Incorrect Wi-Fi password; 5GHz network; device too far from router. | Verify Wi-Fi password. Ensure you are connecting to a 2.4GHz network. Move the device closer to the router. Restart router and device. |
| No video feed on app/monitor. | Loose cable connection; device offline; app issue. | Check the cable connection between outdoor unit and indoor monitor. Verify Wi-Fi connection. Restart the app and device. |
| Motion detection too sensitive/not sensitive enough. | Incorrect sensitivity settings. | Adjust the motion detection sensitivity in the smartphone app settings. |
| Poor night vision quality. | Obstruction on lens; insufficient IR light. | Clean the outdoor camera lens. Ensure no objects are blocking the IR sensors. |
Specifications
| Model Name | OB-2K01-Pro |
| Video Resolution | 2K Full HD |
| Display Size | 4.3 inches |
| Battery Capacity | 8000mAh |
| Viewing Angle | 170 degrees |
| Night Vision Range | Up to 10 meters |
| Connectivity | Wi-Fi (2.4GHz) |
| Storage | Micro SD card (32GB included, supports up to 128GB) |
| Motion Detection | AI Humanoid Detection |
| Door Thickness Compatibility | 40 mm - 110 mm |
| Peephole Diameter Compatibility | 15 mm - 45 mm |
| Dimensions (Indoor Monitor) | 11 x 9 x 2.5 cm (approx.) |
| Control Method | App, Indoor Monitor Buttons |
| Included Components | Door viewer, indoor screen (32GB SD card pre-installed), mounting backplate, charging cable, screw kit, user manual. |
Warranty and Support
Bextgoo is committed to providing high-quality, reliable security solutions. Our products undergo rigorous testing to ensure quality and performance.
Customer Support
Should you encounter any issues during installation, operation, or have technical questions, our expert support team is ready to assist you. Please refer to the contact information provided in your product packaging or visit the official Bextgoo website for support resources.

Image: Bextgoo customer support team, ready to provide assistance.
Data Privacy
Your data and footage are protected with modern encryption and access controls. Videos stored on the SD card or in the cloud are accessible only by the owner and authorized users. Even if the memory card is stolen, videos are encrypted and cannot be played, ensuring high privacy.

Image: Smartphone displaying a lock and shield icon, symbolizing robust data protection and privacy features.
