The HOLLYLAND Mars 4K Single Transmitter is a professional wireless video transmission system designed for filmmakers and content creators. With a range of up to 450 feet, this system delivers ultra-low latency, uncompressed 4K video and audio signals. The package includes a transmitter and two antennas, providing reliable and stable transmission. The system also features a user-friendly OLED display and supports up to 4 mobile devices simultaneously. Ideal for on-set monitoring and live streaming, the HOLLYLAND Mars 4K Single Transmitter is a must-have for any professional videographer.