Introduction
This manual provides detailed instructions for setting up, operating, and maintaining your RUSFEIDA 4K Lite 4CH DVR Digital Video Recorder. This 4-channel 4K-N hybrid digital video recorder system is compatible with 4K-N/5MP/4MP/3MP/1080P XVI/AHD/TVI/CVI/CVBS/IP cameras, offering versatile compatibility for your security needs. It supports super high-definition video recording and advanced H.265+ video compression for efficient storage.

Setup
1. Connecting the DVR System
Follow these steps to connect your DVR system to a monitor, network, and cameras:
- Connect Power: Plug the 12V DC power supply into the DVR's power input.
- Connect Mouse: Insert the USB mouse into one of the DVR's USB ports.
- Connect Monitor: Use an HDMI or VGA cable to connect the DVR to your display monitor.
- Network Connection: Connect the DVR's LAN port to your router using an Ethernet cable for remote access features.
- Camera Connection: Connect your cameras to the DVR's video input ports. For PoE cameras, connect them to a PoE switch, and then connect the PoE switch to the DVR's network port or directly to the router.

2. Initial System Configuration
After connecting all devices, power on the DVR. The system will boot up and display a setup wizard or live view. Use the connected mouse to navigate the interface.
- Channel Mode Selection: Right-click the mouse to access the main menu. Navigate to 'Channel Mode' or 'Camera Type' settings. Here, you can select the appropriate video input type (AHD, TVI, CVI, CVBS, IP) for each channel to match your connected cameras.
- Add IP Cameras: If using IP cameras, go to the 'Camera' or 'Video Manage' section, click 'Search' to detect available IP cameras on your network, and then 'Add One' to integrate them into the DVR system.
- Set Password: For security, it is highly recommended to set a strong password for the DVR system during the initial setup.
3. Setup Video Guide
Watch this video for a visual guide on connecting your DVR system and cameras:
4. Mobile App Setup
For remote viewing, download the free XMeye App on your Android or iOS device. Connect your mobile device to the internet and scan the DVR's unique QR code to add the device to the app.

5. Mobile App Setup Video Guide
This video provides a guide on connecting your DVR to the mobile application for remote viewing:
Operating Instructions
1. Video Compression (H.265+)
The DVR utilizes advanced H.265+ video compression technology. This ensures much smoother video recordings and significantly saves HDD space compared to older compression standards, allowing for longer recording times.
2. Recording and Playback
The system supports 24/7 continuous recording. You can easily record and playback video on your mobile devices or directly from the DVR interface. Use the playback function to review recorded footage by date and time.

3. Face Detection & Instant Alerts
Configure face detection settings to trigger recordings and alerts. When movements or faces are detected, the system can send email alerts with snapshots or app notifications to your mobile device. You can customize detection areas to suit your specific requirements.

Maintenance
Hard Drive Installation
This DVR model does not include a pre-installed Hard Disk Drive (HDD). You will need to install a compatible 3.5-inch SATA HDD for video storage. Ensure the DVR is powered off before attempting installation.
For detailed instructions on installing a hard drive, please refer to the following video:
Troubleshooting
- No Video Signal: Check all cable connections (power, video, HDMI/VGA) to ensure they are secure. Verify that the monitor is set to the correct input source. Ensure cameras are powered and properly configured in the DVR's channel settings.
- Remote Access Issues: Confirm the DVR is connected to the internet via an Ethernet cable. Check your router settings and ensure the XMeye app is correctly configured with the DVR's QR code.
- Recording Problems: Verify that a hard drive is installed and formatted. Check the recording schedule in the DVR settings. Ensure there is sufficient free space on the HDD.
- Forgot Password: If you forget your password, follow the password reset procedure outlined in the full user manual or contact customer support.
Specifications
| Feature | Detail |
|---|---|
| Model Number | A6404 |
| Brand | RUSFEIDA |
| Number of Channels | 4 |
| Video Compression | H.265+ |
| Video Resolution | 4K-N/5MP/4MP/3MP/1080P |
| Video Inputs | XVI/AHD/TVI/CVI/CVBS/IP (6-in-1 Hybrid) |
| Video Outputs | HDMI, VGA |
| Storage Media | HDD (Not Included) |
| Connectivity Technology | HDMI, VGA, Ethernet |
| Special Features | Face Detection, P2P Remote Access, Email Alerts |
| Item Weight | 2.46 pounds |
| Package Dimensions | 13.94 x 11.14 x 2.99 inches |
Warranty
RUSFEIDA provides a one-year warranty for this product. Please retain your proof of purchase for warranty claims.
Support
For any questions or technical assistance, RUSFEIDA offers lifetime technical support. Please feel free to contact us, and we will reply within 24 hours.