The Hollyland Mars 400S PRO is a professional wireless video transmission system designed for on-set monitoring, directors’ monitors, focus pullers and client viewing. It supports both SDI and HDMI on the transmitter and receiver, delivering stable video transmission with low latency over distances of up to 120 m (line of sight).
Compact, reliable and easy to deploy, the Mars 400S PRO is widely used in cinema, documentary, corporate, broadcast and live production, providing clean cable-free monitoring without compromising signal integrity.






