CZFULIN is an electronics brand specializing in audio-visual connectivity solutions, including wireless HDMI extenders for easy home multimedia setups.
CZFULIN specializes in electronic connectivity and audio-visual accessories designed to simplify multimedia setups. Their primary product lineup includes high-performance wireless HDMI extenders that allow users to transmit high-definition video and audio seamlessly across long distances without the need for cumbersome cables. Operating on advanced transmission chips, CZFULIN devices support robust and reliable one-to-one or one-to-many configurations up to 100 meters outdoors.
Whether for home theater displays, professional presentations, or secure camera monitors, CZFULIN offers simple plug-and-play solutions. Browse our collection of user manuals, pairing guides, and troubleshooting instructions to help you seamlessly connect and get the most out of your CZFULIN audio-visual products.
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For one-to-one pairing, long-press the pairing button on the transmitter and connect the power supply. Release the button when the blue indicator flashes. Repeat this for the receiver. The pairing is successful when the receiver's blue light turns steady.
This happens when the transmitter signal is lost or out of range. Check that both units are powered properly, ensure they are within the 100-meter line-of-sight range, and remove any major obstructions between them.
Yes, CZFULIN systems support a one-to-many transmission mode. You can connect a single transmitter to up to four receivers by pairing each receiver to the transmitter individually.
Check your source device's sound settings (e.g., your computer's Sound Control Panel) and ensure the audio output is routed to the HDMI display device. Restarting the source device may also help resolve audio lag or missing sound.