1. Introduction
Thank you for choosing the Bextgoo 2K Wireless Peephole Door Camera with Doorbell. This device is designed to enhance your home security by providing a clear view of your doorstep, both locally via an indoor monitor and remotely through your smartphone. It integrates a 2K camera, a doorbell function, AI motion detection, two-way audio, and night vision capabilities, all powered by a long-lasting 8000mAh battery. A 64GB TF card is included for local video storage.
This manual provides detailed instructions for installation, operation, and maintenance to ensure optimal performance and security for your apartment or home.

Figure 1: Bextgoo 2K Wireless Peephole Door Camera System
2. What's in the Box
Please check the package contents upon receipt to ensure all items are present:
- Peephole Doorbell Camera (Outdoor Unit)
- Indoor Display Monitor (4.3-inch)
- Pre-installed 64GB TF Card
- Charging Cable
- Screw Pack for Installation
- User Manual (This Document)
3. Installation Guide
Before installation, ensure your door meets the following requirements:
- Door Thickness: 40mm - 110mm (1.57 inches - 4.33 inches)
- Peephole Diameter: 15mm - 45mm (0.59 inches - 1.77 inches)
Installation Steps:
- Remove your existing peephole viewer from the door.
- Insert the outdoor camera unit through the peephole from the outside of the door. Ensure the camera is facing outwards and is level.
- From the inside of the door, connect the cable from the outdoor unit to the indoor display monitor.
- Secure the indoor display monitor to the door using the provided screw pack, ensuring a snug fit.
- Power on the device.

Figure 2: Installation Diagram with Door Thickness and Peephole Diameter
4. App Setup and Connectivity
To utilize remote viewing and advanced features, download the companion app to your smartphone. The device connects via 2.4GHz Wi-Fi only. Please ensure your router is configured for 2.4GHz or that your phone is connected to a 2.4GHz network during setup.
- Scan the QR code in the manual or on the device packaging to download the Bextgoo app from your app store.
- Register an account and log in.
- Follow the in-app instructions to add your device. This typically involves powering on the camera, selecting your Wi-Fi network, and scanning a QR code displayed on your phone with the camera.
- Once connected, you can access live view, two-way talk, and settings remotely.

Figure 3: Indoor Monitor and Smartphone App Displaying Live View
5. Operating Instructions
5.1 Live View and Two-Way Talk
- Indoor Monitor: Press the button on the indoor monitor to view live footage from the outdoor camera.
- Mobile App: Open the Bextgoo app on your smartphone to access live video from anywhere. When someone rings the doorbell, you will receive a real-time video call notification on your phone.
- Two-Way Audio: Speak to visitors through the app or indoor monitor. The built-in voice changer feature can be activated for privacy, altering your voice to mask age and gender.

Figure 4: Remote Communication via Smartphone App
5.2 Motion Detection and Alerts
The camera features AI motion detection to alert you to activity at your door.
- Instant Notifications: Receive alerts on your smartphone when motion is detected.
- Customization: Adjust motion detection sensitivity, set alert schedules, and customize ringtones through the app to minimize unnecessary distractions.
- Family Sharing: Share access with family members so multiple users can receive alerts and monitor the doorstep.

Figure 5: Motion Detection Alert and App Settings
5.3 Video Recording and Storage
The device records events triggered by motion or doorbell presses.
- Local Storage: A 64GB TF card is pre-installed for local storage of video evidence. This provides ample space for recordings without subscription fees.
- Cloud Storage: Optional cloud backup is available with a 7-day free trial. Subscription is required for continued cloud service.
- Playback: Recorded videos can be reviewed directly on the indoor monitor or through the mobile app.

Figure 6: 64GB TF Card for Local Storage
5.4 Night Vision
The camera provides clear vision even in low-light conditions.
- 2K HD Clarity: Experience sharp, detailed night vision, offering a clearer view than standard 1080P cameras.
- Infrared Light Source: Utilizes infrared technology for effective night monitoring up to 10 meters.

Figure 7: 2K HD Night Vision Performance
6. Maintenance
6.1 Battery Management
The device is equipped with an 8000mAh rechargeable battery for extended operation.
- Charging: Recharge the battery using the provided charging cable when the battery indicator shows low power. The charging port is typically located on the side or bottom of the indoor monitor.
- Battery Life: Smart energy-saving technology optimizes battery usage, allowing for weeks of monitoring on a single charge.

Figure 8: 8000mAh High-Capacity Battery
6.2 Storage Management
The pre-installed 64GB TF card stores video recordings. Regularly review and manage your stored footage.
- Viewing Footage: Access recorded videos via the indoor monitor or the mobile app.
- Data Security: Videos on the memory card are encrypted and accessible only to authorized users.
- Cloud Options: Consider optional cloud storage for additional backup and accessibility.
6.3 Cleaning
To maintain optimal performance, periodically clean the camera lens and indoor monitor screen.
- Use a soft, dry, lint-free cloth to gently wipe the camera lens and monitor screen.
- Avoid using harsh chemicals or abrasive materials, as these can damage the surfaces.
7. Troubleshooting
If you encounter issues with your Bextgoo Peephole Door Camera, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device won't power on | Low battery; Power button off | Charge the device fully; Ensure the power switch is in the 'ON' position. |
| Cannot connect to Wi-Fi | Incorrect Wi-Fi password; Not connected to 2.4GHz network; Router too far | Verify Wi-Fi password; Ensure your phone and device are on a 2.4GHz Wi-Fi network; Move closer to the router or consider a Wi-Fi extender. |
| No motion detection alerts | Motion detection off; Sensitivity too low; App notifications disabled | Enable motion detection in the app; Increase sensitivity settings; Check phone notification settings for the Bextgoo app. |
| Poor video quality | Dirty lens; Poor network connection | Clean the camera lens; Ensure a stable Wi-Fi connection. |
| Two-way audio not working | Microphone/speaker muted; App permissions | Check mute settings in the app; Grant microphone permissions to the app in your phone settings. |
If the problem persists, please contact Bextgoo customer support for further assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Bextgoo |
| Model Name | ND2K01 |
| Connectivity Technology | Wireless (2.4GHz Wi-Fi) |
| Video Capture Resolution | 2K (4 MP Effective Still Resolution) |
| Viewing Angle | 170 Degrees |
| Night Vision Range | 10 Meters (Night Color) |
| Battery Capacity | 8000mAh |
| Storage | Pre-installed 64GB Micro SD (supports up to 128GB), Optional Cloud Storage |
| Motion Detection | AI Motion Detection Alerts |
| Two-Way Talk | Yes, with Voice Changer |
| Indoor Display Size | 4.3 inches |
| Compatible Devices | Smartphone (Android) |
| Installation Type | Screw In (Door Mount, Peephole Mount) |
| Material | Plastic |
| Item Dimensions | 4.33 x 3.5 x 0.95 inches |
9. Warranty and Support
Bextgoo provides a standard warranty for this product. For specific warranty terms and conditions, please refer to the warranty card included in your package or visit the official Bextgoo website.
For technical support, troubleshooting assistance, or any product-related inquiries, please contact Bextgoo customer service. Contact information can typically be found on the product packaging, the official website, or within the mobile application.
