The Hollyland Mars 4K RX is a dedicated wireless video receiver designed to work seamlessly with the Mars 4K TX delivering 4K30 HDMI output and 1080p60 SDI output with ultra-low latency. Supporting up to 150m (LOS) transmission range it enables reliable high-quality video monitoring for directors producers or streaming stations. The receiver offers dual fan modes scene optimisation profiles app pairing and fractional frame rate support making it ideal for live production broadcasting and professional video workflows. Receives HDMI 2.0 signal up to 4K30 and SDI up to 1080p60 Transmission distance up to 150m (LOS) Dual output: HDMI and SDI App connectivity for monitoring via HollyView (up to 2 apps) Scene modes: HD Speed Balance Adjustable fan: Auto or Silent mode Manual channel selection and scan Compact and lightweight for mobile use