1. Plug and play — converts TVI, CVI, AHD, and CVBS security camera signals to HDMI-compatible output. 2. High-definition video processing technology restores high-quality HD images while maintaining brightness, contrast, and color accuracy. 3. Automatic resolution recognition: supports 720p, 1080p, 3MP, 4MP, 5MP, and 8MP for TVI/AHD input; supports 720p, 1080p, 4MP, and 8MP for CVI input. 4. Wide application: suitable for retail stores, home surveillance, HD surveillance, elevator monitoring, traffic monitoring, and similar environments. 5. Extended transmission distance: up to 500–700 meters over coaxial cable (varies by resolution). This TVI/CVI/AHD/CVBS-to-HDMI converter enables seamless conversion of analog security camera signals into 720p or 1080p HDMI-compatible video output. It is ideal for use in retail stores, home surveillance, HD surveillance, elevator monitoring, traffic monitoring, and related applications. Operation instructions: 1. Select the input source (TVI, CVI, AHD, or CVBS) to match the connected device. 2. Power on the converter — the LED indicator turns red. 3. When the input signal resolution is compatible with the connected HDMI display, video output is automatically enabled via the HDMI port. 4. Use the resolution switch to select 720p or 1080p HDMI output; the device retains the selected setting after power cycling. 5. On-screen display (OSD) shows the current input format (TVI/CVI/AHD); if no signal is detected or the format is unsupported, a color bar pattern appears. Color: Black Material: Metal Package includes: 1 x Converter unit 1 x USB power cable Note: Colors may vary slightly due to lighting conditions and screen calibration.